2021503211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{716591}}^1$

素因数の和:716642

約数の個数: 16

約数和(自身を含む): 2568265728

約数和(自身を除く): 546762517

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 716591, 5016137, 9315683, 22214321, 65209781, 155500247, 288786173, 2021503211]

約数ペア:

[(1, 2021503211), (7, 288786173), (13, 155500247), (31, 65209781), (91, 22214321), (217, 9315683), (403, 5016137), (2821, 716591)]