Q: What is the sum of all factors of the number 10,400,221 excluding 10,400,221?
A: 1,308,707
The factors of the number 10,400,221 are: 1, 13, 31, 131, 197, 403, 1703, 2561, 4061, 6107, 25807, 52793, 79391, 335491, 800017, 10400221.
If you add them up, you will get the total of 10,400,222. Now subtract 10,400,221 to get 1,308,707