21913804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9397}}^1$

素因数の和:9465

約数の個数: 24

約数和(自身を含む): 42629328

約数和(自身を除く): 20715524

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9397, 18794, 37588, 103367, 206734, 413468, 498041, 996082, 1992164, 5478451, 10956902, 21913804]

約数ペア:

[(1, 21913804), (2, 10956902), (4, 5478451), (11, 1992164), (22, 996082), (44, 498041), (53, 413468), (106, 206734), (212, 103367), (583, 37588), (1166, 18794), (2332, 9397)]