Q: What is the sum of all factors of the number 2,115,421 excluding 2,115,421?
A: 561,827
The factors of the number 2,115,421 are: 1, 7, 11, 77, 83, 331, 581, 913, 2317, 3641, 6391, 25487, 27473, 192311, 302203, 2115421.
If you add them up, you will get the total of 2,115,982. Now subtract 2,115,421 to get 561,827