21351572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{485263}}^1$

素因数の和:485278

約数の個数: 12

約数和(自身を含む): 40762176

約数和(自身を除く): 19410604

約数列:

[1, 2, 4, 11, 22, 44, 485263, 970526, 1941052, 5337893, 10675786, 21351572]

約数ペア:

[(1, 21351572), (2, 10675786), (4, 5337893), (11, 1941052), (22, 970526), (44, 485263)]