Q: What is the sum of all factors of the number 21,538,459 excluding 21,538,459?
A: 694,821
The factors of the number 21,538,459 are: 1, 31, 694789, 21538459.
If you add them up, you will get the total of 21,539,153. Now subtract 21,538,459 to get 694,821