2021211101

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{1103}}^1\times {\mathrm{1549}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 2505196800

約数和(自身を除く): 483985699

約数列:

[1, 7, 13, 91, 169, 1103, 1183, 1549, 7721, 10843, 14339, 20137, 100373, 140959, 186407, 261781, 1304849, 1708547, 1832467, 11959829, 22211111, 155477777, 288744443, 2021211101]

約数ペア:

[(1, 2021211101), (7, 288744443), (13, 155477777), (91, 22211111), (169, 11959829), (1103, 1832467), (1183, 1708547), (1549, 1304849), (7721, 261781), (10843, 186407), (14339, 140959), (20137, 100373)]