21282220

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4567}}^1$

素因数の和:4809

約数の個数: 24

約数和(自身を含む): 44894304

約数和(自身を除く): 23612084

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4567, 4660, 9134, 18268, 22835, 45670, 91340, 1064111, 2128222, 4256444, 5320555, 10641110, 21282220]

約数ペア:

[(1, 21282220), (2, 10641110), (4, 5320555), (5, 4256444), (10, 2128222), (20, 1064111), (233, 91340), (466, 45670), (932, 22835), (1165, 18268), (2330, 9134), (4567, 4660)]