21583180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14783}}^1$

素因数の和:14865

約数の個数: 24

約数和(自身を含む): 45948672

約数和(自身を除く): 24365492

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14783, 29566, 59132, 73915, 147830, 295660, 1079159, 2158318, 4316636, 5395795, 10791590, 21583180]

約数ペア:

[(1, 21583180), (2, 10791590), (4, 5395795), (5, 4316636), (10, 2158318), (20, 1079159), (73, 295660), (146, 147830), (292, 73915), (365, 59132), (730, 29566), (1460, 14783)]