Q: What is the sum of all factors of the number 4,042,421 excluding 4,042,421?
A: 243,979
The factors of the number 4,042,421 are: 1, 19, 151, 1409, 2869, 26771, 212759, 4042421.
If you add them up, you will get the total of 4,042,664. Now subtract 4,042,421 to get 243,979