21054333

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 28835456

約数和(自身を除く): 7781123

約数列:

[1, 3, 61, 103, 183, 309, 1117, 3351, 6283, 18849, 68137, 115051, 204411, 345153, 7018111, 21054333]

約数ペア:

[(1, 21054333), (3, 7018111), (61, 345153), (103, 204411), (183, 115051), (309, 68137), (1117, 18849), (3351, 6283)]