21271848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2351}}^1$

素因数の和:2402

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 37998552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2262, 2351, 3016, 4524, 4702, 7053, 9048, 9404, 14106, 18808, 28212, 30563, 56424, 61126, 68179, 91689, 122252, 136358, 183378, 204537, 244504, 272716, 366756, 409074, 545432, 733512, 818148, 886327, 1636296, 1772654, 2658981, 3545308, 5317962, 7090616, 10635924, 21271848]

約数ペア:

[(1, 21271848), (2, 10635924), (3, 7090616), (4, 5317962), (6, 3545308), (8, 2658981), (12, 1772654), (13, 1636296), (24, 886327), (26, 818148), (29, 733512), (39, 545432), (52, 409074), (58, 366756), (78, 272716), (87, 244504), (104, 204537), (116, 183378), (156, 136358), (174, 122252), (232, 91689), (312, 68179), (348, 61126), (377, 56424), (696, 30563), (754, 28212), (1131, 18808), (1508, 14106), (2262, 9404), (2351, 9048), (3016, 7053), (4524, 4702)]