21135608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203227}}^1$

素因数の和:203246

約数の個数: 16

約数和(自身を含む): 42677880

約数和(自身を除く): 21542272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203227, 406454, 812908, 1625816, 2641951, 5283902, 10567804, 21135608]

約数ペア:

[(1, 21135608), (2, 10567804), (4, 5283902), (8, 2641951), (13, 1625816), (26, 812908), (52, 406454), (104, 203227)]