Q: What is the sum of all factors of the number 21,042,001 excluding 21,042,001?
A: 253,807
The factors of the number 21,042,001 are: 1, 151, 331, 421, 49981, 63571, 139351, 21042001.
If you add them up, you will get the total of 21,042,254. Now subtract 21,042,001 to get 253,807