Q: What is the sum of all factors of the number 21,130,009 excluding 21,130,009?
A: 864,551
The factors of the number 21,130,009 are: 1, 29, 167, 4363, 4843, 126527, 728621, 21130009.
If you add them up, you will get the total of 21,130,873. Now subtract 21,130,009 to get 864,551