21455522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51329}}^1$

素因数の和:51361

約数の個数: 16

約数和(自身を含む): 36957600

約数和(自身を除く): 15502078

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51329, 102658, 564619, 975251, 1129238, 1950502, 10727761, 21455522]

約数ペア:

[(1, 21455522), (2, 10727761), (11, 1950502), (19, 1129238), (22, 975251), (38, 564619), (209, 102658), (418, 51329)]