21391204379

素因数分解:

${\mathrm{89}}^1\times {\mathrm{541}}^1\times {\mathrm{444271}}^1$

素因数の和:444901

約数の個数: 8

約数和(自身を含む): 21671588160

約数和(自身を除く): 280383781

約数列:

[1, 89, 541, 48149, 444271, 39540119, 240350611, 21391204379]

約数ペア:

[(1, 21391204379), (89, 240350611), (541, 39540119), (48149, 444271)]