21957122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52529}}^1$

素因数の和:52561

約数の個数: 16

約数和(自身を含む): 37821600

約数和(自身を除く): 15864478

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52529, 105058, 577819, 998051, 1155638, 1996102, 10978561, 21957122]

約数ペア:

[(1, 21957122), (2, 10978561), (11, 1996102), (19, 1155638), (22, 998051), (38, 577819), (209, 105058), (418, 52529)]