2021860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 4346496

約数和(自身を除く): 2324636

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2351, 4702, 9404, 11755, 23510, 47020, 101093, 202186, 404372, 505465, 1010930, 2021860]

約数ペア:

[(1, 2021860), (2, 1010930), (4, 505465), (5, 404372), (10, 202186), (20, 101093), (43, 47020), (86, 23510), (172, 11755), (215, 9404), (430, 4702), (860, 2351)]