Q: What is the sum of all factors of the number 21,042,220 excluding 21,042,220?
A: 23,146,484
The factors of the number 21,042,220 are: 1, 2, 4, 5, 10, 20, 1052111, 2104222, 4208444, 5260555, 10521110, 21042220.
If you add them up, you will get the total of 21,042,243. Now subtract 21,042,220 to get 23,146,484