21442576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2599

約数の個数: 40

約数和(自身を含む): 45425664

約数和(自身を除く): 23983088

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2543, 4216, 5086, 8432, 10172, 20344, 40688, 43231, 78833, 86462, 157666, 172924, 315332, 345848, 630664, 691696, 1261328, 1340161, 2680322, 5360644, 10721288, 21442576]

約数ペア:

[(1, 21442576), (2, 10721288), (4, 5360644), (8, 2680322), (16, 1340161), (17, 1261328), (31, 691696), (34, 630664), (62, 345848), (68, 315332), (124, 172924), (136, 157666), (248, 86462), (272, 78833), (496, 43231), (527, 40688), (1054, 20344), (2108, 10172), (2543, 8432), (4216, 5086)]