21450186

素因数分解:

$2^1\times 3^2\times {\mathrm{571}}^1\times {\mathrm{2087}}^1$

素因数の和:2666

約数の個数: 24

約数和(自身を含む): 46579104

約数和(自身を除く): 25128918

約数列:

[1, 2, 3, 6, 9, 18, 571, 1142, 1713, 2087, 3426, 4174, 5139, 6261, 10278, 12522, 18783, 37566, 1191677, 2383354, 3575031, 7150062, 10725093, 21450186]

約数ペア:

[(1, 21450186), (2, 10725093), (3, 7150062), (6, 3575031), (9, 2383354), (18, 1191677), (571, 37566), (1142, 18783), (1713, 12522), (2087, 10278), (3426, 6261), (4174, 5139)]