21645942

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1583}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 45163008

約数和(自身を除く): 23517066

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 1583, 2279, 3166, 4558, 4749, 6837, 9498, 13674, 68069, 83899, 136138, 167798, 204207, 251697, 408414, 503394, 3607657, 7215314, 10822971, 21645942]

約数ペア:

[(1, 21645942), (2, 10822971), (3, 7215314), (6, 3607657), (43, 503394), (53, 408414), (86, 251697), (106, 204207), (129, 167798), (159, 136138), (258, 83899), (318, 68069), (1583, 13674), (2279, 9498), (3166, 6837), (4558, 4749)]