21375266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51137}}^1$

素因数の和:51169

約数の個数: 16

約数和(自身を含む): 36819360

約数和(自身を除く): 15444094

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51137, 102274, 562507, 971603, 1125014, 1943206, 10687633, 21375266]

約数ペア:

[(1, 21375266), (2, 10687633), (11, 1943206), (19, 1125014), (22, 971603), (38, 562507), (209, 102274), (418, 51137)]