21357594

素因数分解:

$2^1\times 3^4\times {\mathrm{131837}}^1$

素因数の和:131851

約数の個数: 20

約数和(自身を含む): 47857194

約数和(自身を除く): 26499600

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131837, 263674, 395511, 791022, 1186533, 2373066, 3559599, 7119198, 10678797, 21357594]

約数ペア:

[(1, 21357594), (2, 10678797), (3, 7119198), (6, 3559599), (9, 2373066), (18, 1186533), (27, 791022), (54, 395511), (81, 263674), (162, 131837)]