21714312

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 56738880

約数和(自身を除く): 35024568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 344, 397, 424, 516, 636, 794, 1032, 1191, 1272, 1588, 2279, 2382, 3176, 4558, 4764, 6837, 9116, 9528, 13674, 17071, 18232, 21041, 27348, 34142, 42082, 51213, 54696, 63123, 68284, 84164, 102426, 126246, 136568, 168328, 204852, 252492, 409704, 504984, 904763, 1809526, 2714289, 3619052, 5428578, 7238104, 10857156, 21714312]

約数ペア:

[(1, 21714312), (2, 10857156), (3, 7238104), (4, 5428578), (6, 3619052), (8, 2714289), (12, 1809526), (24, 904763), (43, 504984), (53, 409704), (86, 252492), (106, 204852), (129, 168328), (159, 136568), (172, 126246), (212, 102426), (258, 84164), (318, 68284), (344, 63123), (397, 54696), (424, 51213), (516, 42082), (636, 34142), (794, 27348), (1032, 21041), (1191, 18232), (1272, 17071), (1588, 13674), (2279, 9528), (2382, 9116), (3176, 6837), (4558, 4764)]