21203732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2161}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 40680192

約数和(自身を除く): 19476460

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2161, 2453, 4322, 4906, 8644, 9812, 23771, 47542, 95084, 481903, 963806, 1927612, 5300933, 10601866, 21203732]

約数ペア:

[(1, 21203732), (2, 10601866), (4, 5300933), (11, 1927612), (22, 963806), (44, 481903), (223, 95084), (446, 47542), (892, 23771), (2161, 9812), (2453, 8644), (4322, 4906)]