21730872

素因数分解:

$2^3\times 3^1\times {\mathrm{905453}}^1$

素因数の和:905462

約数の個数: 16

約数和(自身を含む): 54327240

約数和(自身を除く): 32596368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 905453, 1810906, 2716359, 3621812, 5432718, 7243624, 10865436, 21730872]

約数ペア:

[(1, 21730872), (2, 10865436), (3, 7243624), (4, 5432718), (6, 3621812), (8, 2716359), (12, 1810906), (24, 905453)]