Q: What is the sum of all factors of the number 9,721,621 excluding 9,721,621?
A: 2,503,403
The factors of the number 9,721,621 are: 1, 7, 13, 47, 91, 329, 611, 2273, 4277, 15911, 29549, 106831, 206843, 747817, 1388803, 9721621.
If you add them up, you will get the total of 9,721,623. Now subtract 9,721,621 to get 2,503,403