Q: What is the sum of all factors of the number 21,400,431 excluding 21,400,431?
A: 9,650,673
The factors of the number 21,400,431 are: 1, 3, 13, 39, 97, 291, 1261, 3783, 5657, 16971, 73541, 220623, 548729, 1646187, 7133477, 21400431.
If you add them up, you will get the total of 21,400,440. Now subtract 21,400,431 to get 9,650,673