21436772

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7433}}^1$

素因数の和:7547

約数の個数: 24

約数和(自身を含む): 43295616

約数和(自身を除く): 21858844

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7433, 14866, 29732, 52031, 104062, 208124, 765599, 1531198, 3062396, 5359193, 10718386, 21436772]

約数ペア:

[(1, 21436772), (2, 10718386), (4, 5359193), (7, 3062396), (14, 1531198), (28, 765599), (103, 208124), (206, 104062), (412, 52031), (721, 29732), (1442, 14866), (2884, 7433)]