Q: What is the sum of all factors of the number 21,103,009 excluding 21,103,009?
A: 13,151
The factors of the number 21,103,009 are: 1, 1871, 11279, 21103009.
If you add them up, you will get the total of 21,103,022. Now subtract 21,103,009 to get 13,151