Q: What is the sum of all factors of the number 40,556,421 excluding 40,556,421?
A: 19,984,059
The factors of the number 40,556,421 are: 1, 3, 9, 41, 123, 131, 369, 393, 839, 1179, 2517, 5371, 7551, 16113, 34399, 48339, 103197, 109909, 309591, 329727, 989181, 4506269, 13518807, 40556421.
If you add them up, you will get the total of 40,556,440. Now subtract 40,556,421 to get 19,984,059