Q: What is the sum of all factors of the number 28,415,421 excluding 28,415,421?
A: 13,771,779
The factors of the number 28,415,421 are: 1, 3, 9, 27, 659, 1597, 1977, 4791, 5931, 14373, 17793, 43119, 1052423, 3157269, 9471807, 28415421.
If you add them up, you will get the total of 28,415,434. Now subtract 28,415,421 to get 13,771,779