Q: What is the sum of all factors of the number 21,020,123 excluding 21,020,123?
A: 268,837
The factors of the number 21,020,123 are: 1, 167, 191, 659, 31897, 110053, 125869, 21020123.
If you add them up, you will get the total of 21,020,391. Now subtract 21,020,123 to get 268,837