21138089

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9349}}^1$

素因数の和:9392

約数の個数: 16

約数和(自身を含む): 26928000

約数和(自身を除く): 5789911

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9349, 65443, 158933, 177631, 1112531, 1243417, 3019727, 21138089]

約数ペア:

[(1, 21138089), (7, 3019727), (17, 1243417), (19, 1112531), (119, 177631), (133, 158933), (323, 65443), (2261, 9349)]