:bird: F# Sum of Multiples - Reintroduced separate function for single divisor
:bird: F# Sum of Multiples - Reintroduced separate function for single divisor

ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism,ullet/exercism