21756218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7549}}^1$

素因数の和:7693

約数の個数: 16

約数和(自身を含む): 35877600

約数和(自身を除く): 14121382

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7549, 15098, 83039, 166078, 988919, 1977838, 10878109, 21756218]

約数ペア:

[(1, 21756218), (2, 10878109), (11, 1977838), (22, 988919), (131, 166078), (262, 83039), (1441, 15098), (2882, 7549)]