Dual Flurry - Dual flurry does not affect dual fisted unarmed attack speed (power attack or not). Dual Savagery - Dual Savagery does not affect dual fisted unarmed power attack.

Does unarmed count as dual wielding in Skyrim?

Neither Dual Flurry nor Dual Savagery work on unarmed combat. The only perk that intentionally benefits unarmed combat is Fists of Steel.

How do you get high unarmed damage in Skyrim?

A unique item found within The Ratway, the Gloves of the Pugilist is the only item within the game that contains the Fortify Unarmed Damage enchantment. To maximize unarmed damage, you can disenchant these gloves and then apply the enchantment to both gloves and rings.