21808101

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4457}}^1$

素因数の和:4700

約数の個数: 16

約数和(自身を含む): 33381504

約数和(自身を除く): 11573403

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4457, 4893, 13371, 31199, 93597, 1038481, 3115443, 7269367, 21808101]

約数ペア:

[(1, 21808101), (3, 7269367), (7, 3115443), (21, 1038481), (233, 93597), (699, 31199), (1631, 13371), (4457, 4893)]