21873848

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 42648960

約数和(自身を除く): 20775112

約数列:

[1, 2, 4, 8, 31, 62, 124, 193, 248, 386, 457, 772, 914, 1544, 1828, 3656, 5983, 11966, 14167, 23932, 28334, 47864, 56668, 88201, 113336, 176402, 352804, 705608, 2734231, 5468462, 10936924, 21873848]

約数ペア:

[(1, 21873848), (2, 10936924), (4, 5468462), (8, 2734231), (31, 705608), (62, 352804), (124, 176402), (193, 113336), (248, 88201), (386, 56668), (457, 47864), (772, 28334), (914, 23932), (1544, 14167), (1828, 11966), (3656, 5983)]