21285938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5851}}^1$

素因数の和:5977

約数の個数: 16

約数和(自身を含む): 34128864

約数和(自身を除く): 12842926

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 5851, 11702, 99467, 198934, 626057, 1252114, 10642969, 21285938]

約数ペア:

[(1, 21285938), (2, 10642969), (17, 1252114), (34, 626057), (107, 198934), (214, 99467), (1819, 11702), (3638, 5851)]