Q: What is the sum of all factors of the number 13,243,221 excluding 13,243,221?
A: 7,235,523
The factors of the number 13,243,221 are: 1, 3, 9, 17, 51, 101, 153, 303, 857, 909, 1717, 2571, 5151, 7713, 14569, 15453, 43707, 86557, 131121, 259671, 779013, 1471469, 4414407, 13243221.
If you add them up, you will get the total of 13,243,228. Now subtract 13,243,221 to get 7,235,523