Q: What is the sum of all factors of the number 21,261,221 excluding 21,261,221?
A: 702,523
The factors of the number 21,261,221 are: 1, 43, 107, 4601, 4621, 198703, 494447, 21261221.
If you add them up, you will get the total of 21,261,923. Now subtract 21,261,221 to get 702,523