21718382

素因数分解:

$2^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{2213}}^1$

素因数の和:2923

約数の個数: 16

約数和(自身を含む): 37301472

約数和(自身を除く): 15583090

約数列:

[1, 2, 7, 14, 701, 1402, 2213, 4426, 4907, 9814, 15491, 30982, 1551313, 3102626, 10859191, 21718382]

約数ペア:

[(1, 21718382), (2, 10859191), (7, 3102626), (14, 1551313), (701, 30982), (1402, 15491), (2213, 9814), (4426, 4907)]