21861884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4397}}^1$

素因数の和:4525

約数の個数: 24

約数和(自身を含む): 42115248

約数和(自身を除く): 20253364

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4397, 4972, 8794, 17588, 48367, 96734, 193468, 496861, 993722, 1987444, 5465471, 10930942, 21861884]

約数ペア:

[(1, 21861884), (2, 10930942), (4, 5465471), (11, 1987444), (22, 993722), (44, 496861), (113, 193468), (226, 96734), (452, 48367), (1243, 17588), (2486, 8794), (4397, 4972)]