21074218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1\times {\mathrm{1123}}^1$

素因数の和:1989

約数の個数: 16

約数和(自身を含む): 34556256

約数和(自身を除く): 13482038

約数列:

[1, 2, 11, 22, 853, 1123, 1706, 2246, 9383, 12353, 18766, 24706, 957919, 1915838, 10537109, 21074218]

約数ペア:

[(1, 21074218), (2, 10537109), (11, 1915838), (22, 957919), (853, 24706), (1123, 18766), (1706, 12353), (2246, 9383)]