21459151

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9534

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 5877809

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9491, 66437, 161347, 180329, 1129429, 1262303, 3065593, 21459151]

約数ペア:

[(1, 21459151), (7, 3065593), (17, 1262303), (19, 1129429), (119, 180329), (133, 161347), (323, 66437), (2261, 9491)]