21317766

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23160954

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 1559, 2279, 3118, 4558, 4677, 6837, 9354, 13674, 67037, 82627, 134074, 165254, 201111, 247881, 402222, 495762, 3552961, 7105922, 10658883, 21317766]

約数ペア:

[(1, 21317766), (2, 10658883), (3, 7105922), (6, 3552961), (43, 495762), (53, 402222), (86, 247881), (106, 201111), (129, 165254), (159, 134074), (258, 82627), (318, 67037), (1559, 13674), (2279, 9354), (3118, 6837), (4558, 4677)]