21070676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478879}}^1$

素因数の和:478894

約数の個数: 12

約数和(自身を含む): 40225920

約数和(自身を除く): 19155244

約数列:

[1, 2, 4, 11, 22, 44, 478879, 957758, 1915516, 5267669, 10535338, 21070676]

約数ペア:

[(1, 21070676), (2, 10535338), (4, 5267669), (11, 1915516), (22, 957758), (44, 478879)]