21252994791

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10020271}}^1$

素因数の和:10020382

約数の個数: 16

約数和(自身を含む): 32706167808

約数和(自身を除く): 11453173017

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 10020271, 30060813, 70141897, 210425691, 1012047371, 3036142113, 7084331597, 21252994791]

約数ペア:

[(1, 21252994791), (3, 7084331597), (7, 3036142113), (21, 1012047371), (101, 210425691), (303, 70141897), (707, 30060813), (2121, 10020271)]