21955448

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 42066000

約数和(自身を除く): 20110552

約数列:

[1, 2, 4, 8, 113, 149, 163, 226, 298, 326, 452, 596, 652, 904, 1192, 1304, 16837, 18419, 24287, 33674, 36838, 48574, 67348, 73676, 97148, 134696, 147352, 194296, 2744431, 5488862, 10977724, 21955448]

約数ペア:

[(1, 21955448), (2, 10977724), (4, 5488862), (8, 2744431), (113, 194296), (149, 147352), (163, 134696), (226, 97148), (298, 73676), (326, 67348), (452, 48574), (596, 36838), (652, 33674), (904, 24287), (1192, 18419), (1304, 16837)]