21268254889

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{3319}}^1\times {\mathrm{53849}}^1$

素因数の和:57192

約数の個数: 16

約数和(自身を含む): 25744608000

約数和(自身を除く): 4476353111

約数列:

[1, 7, 17, 119, 3319, 23233, 53849, 56423, 376943, 394961, 915433, 6408031, 178724831, 1251073817, 3038322127, 21268254889]

約数ペア:

[(1, 21268254889), (7, 3038322127), (17, 1251073817), (119, 178724831), (3319, 6408031), (23233, 915433), (53849, 394961), (56423, 376943)]