21172712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240599}}^1$

素因数の和:240616

約数の個数: 16

約数和(自身を含む): 43308000

約数和(自身を除く): 22135288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240599, 481198, 962396, 1924792, 2646589, 5293178, 10586356, 21172712]

約数ペア:

[(1, 21172712), (2, 10586356), (4, 5293178), (8, 2646589), (11, 1924792), (22, 962396), (44, 481198), (88, 240599)]