21810160

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1201}}^1$

素因数の和:1441

約数の個数: 40

約数和(自身を含む): 50974416

約数和(自身を除く): 29164256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1201, 1816, 2270, 2402, 3632, 4540, 4804, 6005, 9080, 9608, 12010, 18160, 19216, 24020, 48040, 96080, 272627, 545254, 1090508, 1363135, 2181016, 2726270, 4362032, 5452540, 10905080, 21810160]

約数ペア:

[(1, 21810160), (2, 10905080), (4, 5452540), (5, 4362032), (8, 2726270), (10, 2181016), (16, 1363135), (20, 1090508), (40, 545254), (80, 272627), (227, 96080), (454, 48040), (908, 24020), (1135, 19216), (1201, 18160), (1816, 12010), (2270, 9608), (2402, 9080), (3632, 6005), (4540, 4804)]