21346860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5011}}^1$

素因数の和:5094

約数の個数: 48

約数和(自身を含む): 60625152

約数和(自身を除く): 39278292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 5011, 10022, 15033, 20044, 25055, 30066, 50110, 60132, 75165, 100220, 150330, 300660, 355781, 711562, 1067343, 1423124, 1778905, 2134686, 3557810, 4269372, 5336715, 7115620, 10673430, 21346860]

約数ペア:

[(1, 21346860), (2, 10673430), (3, 7115620), (4, 5336715), (5, 4269372), (6, 3557810), (10, 2134686), (12, 1778905), (15, 1423124), (20, 1067343), (30, 711562), (60, 355781), (71, 300660), (142, 150330), (213, 100220), (284, 75165), (355, 60132), (426, 50110), (710, 30066), (852, 25055), (1065, 20044), (1420, 15033), (2130, 10022), (4260, 5011)]