2021123245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{100279}}^1$

素因数の和:100452

約数の個数: 16

約数和(自身を含む): 2527056000

約数和(自身を除く): 505932755

約数列:

[1, 5, 29, 139, 145, 695, 4031, 20155, 100279, 501395, 2908091, 13938781, 14540455, 69693905, 404224649, 2021123245]

約数ペア:

[(1, 2021123245), (5, 404224649), (29, 69693905), (139, 14540455), (145, 13938781), (695, 2908091), (4031, 501395), (20155, 100279)]