21536971

素因数分解:

${\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:442

約数の個数: 12

約数和(自身を含む): 22632456

約数和(自身を除く): 1095485

約数列:

[1, 31, 73, 307, 961, 2263, 9517, 22411, 70153, 295027, 694741, 21536971]

約数ペア:

[(1, 21536971), (31, 694741), (73, 295027), (307, 70153), (961, 22411), (2263, 9517)]