21577974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{326939}}^1$

素因数の和:326955

約数の個数: 16

約数和(自身を含む): 47079360

約数和(自身を除く): 25501386

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 326939, 653878, 980817, 1961634, 3596329, 7192658, 10788987, 21577974]

約数ペア:

[(1, 21577974), (2, 10788987), (3, 7192658), (6, 3596329), (11, 1961634), (22, 980817), (33, 653878), (66, 326939)]