21279348

素因数分解:

$2^2\times 3^4\times {\mathrm{65677}}^1$

素因数の和:65693

約数の個数: 30

約数和(自身を含む): 55629266

約数和(自身を除く): 34349918

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65677, 131354, 197031, 262708, 394062, 591093, 788124, 1182186, 1773279, 2364372, 3546558, 5319837, 7093116, 10639674, 21279348]

約数ペア:

[(1, 21279348), (2, 10639674), (3, 7093116), (4, 5319837), (6, 3546558), (9, 2364372), (12, 1773279), (18, 1182186), (27, 788124), (36, 591093), (54, 394062), (81, 262708), (108, 197031), (162, 131354), (324, 65677)]