21347080

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2351}}^1$

素因数の和:2589

約数の個数: 32

約数和(自身を含む): 48263040

約数和(自身を除く): 26915960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 2351, 4540, 4702, 9080, 9404, 11755, 18808, 23510, 47020, 94040, 533677, 1067354, 2134708, 2668385, 4269416, 5336770, 10673540, 21347080]

約数ペア:

[(1, 21347080), (2, 10673540), (4, 5336770), (5, 4269416), (8, 2668385), (10, 2134708), (20, 1067354), (40, 533677), (227, 94040), (454, 47020), (908, 23510), (1135, 18808), (1816, 11755), (2270, 9404), (2351, 9080), (4540, 4702)]