21069532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478853}}^1$

素因数の和:478868

約数の個数: 12

約数和(自身を含む): 40223736

約数和(自身を除く): 19154204

約数列:

[1, 2, 4, 11, 22, 44, 478853, 957706, 1915412, 5267383, 10534766, 21069532]

約数ペア:

[(1, 21069532), (2, 10534766), (4, 5267383), (11, 1915412), (22, 957706), (44, 478853)]