Q: What is the sum of all factors of the number 2,143,138 excluding 2,143,138?
A: 1,071,572
The factors of the number 2,143,138 are: 1, 2, 1071569, 2143138.
If you add them up, you will get the total of 2,143,139. Now subtract 2,143,138 to get 1,071,572