21729580

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4663}}^1$

素因数の和:4905

約数の個数: 24

約数和(自身を含む): 45837792

約数和(自身を除く): 24108212

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4660, 4663, 9326, 18652, 23315, 46630, 93260, 1086479, 2172958, 4345916, 5432395, 10864790, 21729580]

約数ペア:

[(1, 21729580), (2, 10864790), (4, 5432395), (5, 4345916), (10, 2172958), (20, 1086479), (233, 93260), (466, 46630), (932, 23315), (1165, 18652), (2330, 9326), (4660, 4663)]