21517101

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4339}}^1$

素因数の和:4393

約数の個数: 24

約数和(自身を含む): 33852000

約数和(自身を除く): 12334899

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4339, 4959, 13017, 39051, 82441, 125831, 247323, 377493, 741969, 1132479, 2390789, 7172367, 21517101]

約数ペア:

[(1, 21517101), (3, 7172367), (9, 2390789), (19, 1132479), (29, 741969), (57, 377493), (87, 247323), (171, 125831), (261, 82441), (551, 39051), (1653, 13017), (4339, 4959)]