Q: What is the sum of all factors of the number 213,221,123 excluding 213,221,123?
A: 12,843,469
The factors of the number 213,221,123 are: 1, 17, 787, 13379, 15937, 270929, 12542419, 213221123.
If you add them up, you will get the total of 213,221,135. Now subtract 213,221,123 to get 12,843,469