Q: What is the sum of all factors of the number 1,305,217 excluding 1,305,217?
A: 21,459
The factors of the number 1,305,217 are: 1, 61, 21397, 1305217.
If you add them up, you will get the total of 1,305,238. Now subtract 1,305,217 to get 21,459