Question

Ex 1 de la ce vine "D"

Answer 1

1. D₂={1,2}
D₁₂={1,2,3,3,6,12}
D₂₄={1,2,3,4,6,8,12,24}
D₁₈={1,2,3,6,9,18}
D₄₅={1,3,5,9,45}
D₂₀={1,2,4,5,10,20}
D₃₆={1,2,3,4,6,9,12,18,36}
D₄₃={1,43}
D₂₁={1,3,7,21}