21207164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5807}}^1$

素因数の和:5905

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 19774084

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5807, 11614, 23228, 63877, 127754, 255508, 481981, 963962, 1927924, 5301791, 10603582, 21207164]

約数ペア:

[(1, 21207164), (2, 10603582), (4, 5301791), (11, 1927924), (22, 963962), (44, 481981), (83, 255508), (166, 127754), (332, 63877), (913, 23228), (1826, 11614), (3652, 5807)]