Q: What is the sum of all factors of the number 21,020,221 excluding 21,020,221?
A: 208,223
The factors of the number 21,020,221 are: 1, 101, 208121, 21020221.
If you add them up, you will get the total of 21,020,429. Now subtract 21,020,221 to get 208,223