21033879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1801}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 29841120

約数和(自身を除く): 8807241

約数列:

[1, 3, 17, 51, 229, 687, 1801, 3893, 5403, 11679, 30617, 91851, 412429, 1237287, 7011293, 21033879]

約数ペア:

[(1, 21033879), (3, 7011293), (17, 1237287), (51, 412429), (229, 91851), (687, 30617), (1801, 11679), (3893, 5403)]