21774764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2591}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 41803776

約数和(自身を除く): 20029012

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2591, 4202, 5182, 8404, 10364, 28501, 57002, 114004, 494881, 989762, 1979524, 5443691, 10887382, 21774764]

約数ペア:

[(1, 21774764), (2, 10887382), (4, 5443691), (11, 1979524), (22, 989762), (44, 494881), (191, 114004), (382, 57002), (764, 28501), (2101, 10364), (2591, 8404), (4202, 5182)]