21481938

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10949}}^1$

素因数の和:11066

約数の個数: 24

約数和(自身を含む): 46975500

約数和(自身を除く): 25493562

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10949, 21898, 32847, 65694, 98541, 197082, 1193441, 2386882, 3580323, 7160646, 10740969, 21481938]

約数ペア:

[(1, 21481938), (2, 10740969), (3, 7160646), (6, 3580323), (9, 2386882), (18, 1193441), (109, 197082), (218, 98541), (327, 65694), (654, 32847), (981, 21898), (1962, 10949)]