21545384

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6521}}^1$

素因数の和:6593

約数の個数: 32

約数和(自身を含む): 46958400

約数和(自身を除く): 25413016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6521, 13042, 26084, 45647, 52168, 91294, 182588, 365176, 384739, 769478, 1538956, 2693173, 3077912, 5386346, 10772692, 21545384]

約数ペア:

[(1, 21545384), (2, 10772692), (4, 5386346), (7, 3077912), (8, 2693173), (14, 1538956), (28, 769478), (56, 384739), (59, 365176), (118, 182588), (236, 91294), (413, 52168), (472, 45647), (826, 26084), (1652, 13042), (3304, 6521)]