21794090

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{3109}}^1$

素因数の和:3817

約数の個数: 16

約数和(自身を含む): 39297960

約数和(自身を除く): 17503870

約数列:

[1, 2, 5, 10, 701, 1402, 3109, 3505, 6218, 7010, 15545, 31090, 2179409, 4358818, 10897045, 21794090]

約数ペア:

[(1, 21794090), (2, 10897045), (5, 4358818), (10, 2179409), (701, 31090), (1402, 15545), (3109, 7010), (3505, 6218)]