Q: What is the sum of all factors of the number 2,130,213 excluding 2,130,213?
A: 810,843
The factors of the number 2,130,213 are: 1, 3, 71, 73, 137, 213, 219, 411, 5183, 9727, 10001, 15549, 29181, 30003, 710071, 2130213.
If you add them up, you will get the total of 2,131,023. Now subtract 2,130,213 to get 810,843