21611464

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 48844800

約数和(自身を除く): 27233336

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 59, 62, 118, 124, 211, 217, 236, 248, 413, 422, 434, 472, 826, 844, 868, 1477, 1652, 1688, 1736, 1829, 2954, 3304, 3658, 5908, 6541, 7316, 11816, 12449, 12803, 13082, 14632, 24898, 25606, 26164, 45787, 49796, 51212, 52328, 87143, 91574, 99592, 102424, 174286, 183148, 348572, 366296, 385919, 697144, 771838, 1543676, 2701433, 3087352, 5402866, 10805732, 21611464]

約数ペア:

[(1, 21611464), (2, 10805732), (4, 5402866), (7, 3087352), (8, 2701433), (14, 1543676), (28, 771838), (31, 697144), (56, 385919), (59, 366296), (62, 348572), (118, 183148), (124, 174286), (211, 102424), (217, 99592), (236, 91574), (248, 87143), (413, 52328), (422, 51212), (434, 49796), (472, 45787), (826, 26164), (844, 25606), (868, 24898), (1477, 14632), (1652, 13082), (1688, 12803), (1736, 12449), (1829, 11816), (2954, 7316), (3304, 6541), (3658, 5908)]