21352556

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{10091}}^1$

素因数の和:10141

約数の個数: 18

約数和(自身を含む): 39066132

約数和(自身を除く): 17713576

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10091, 20182, 40364, 232093, 464186, 928372, 5338139, 10676278, 21352556]

約数ペア:

[(1, 21352556), (2, 10676278), (4, 5338139), (23, 928372), (46, 464186), (92, 232093), (529, 40364), (1058, 20182), (2116, 10091)]