21492513781

素因数分解:

${\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1\times {\mathrm{4027}}^1$

素因数の和:4860

約数の個数: 16

約数和(自身を含む): 22019174784

約数和(自身を除く): 526661003

約数列:

[1, 73, 113, 647, 4027, 8249, 47231, 73111, 293971, 455051, 2605469, 5337103, 33218723, 190199237, 294417997, 21492513781]

約数ペア:

[(1, 21492513781), (73, 294417997), (113, 190199237), (647, 33218723), (4027, 5337103), (8249, 2605469), (47231, 455051), (73111, 293971)]