# User contributions

### From HaskellWiki

- 21:25, 21 October 2008 (diff | hist) . . (+18) . . Euler problems/21 to 30 (Fixed version 2 to have proper solution. Numbers whose divisor sum equals themselves are not amicable numbers.)

- 21:25, 21 October 2008 (diff | hist) . . (+18) . . Euler problems/21 to 30 (Fixed version 2 to have proper solution. Numbers whose divisor sum equals themselves are not amicable numbers.)