21000724712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238644599}}^1$

素因数の和:238644616

約数の個数: 16

約数和(自身を含む): 42956028000

約数和(自身を除く): 21955303288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238644599, 477289198, 954578396, 1909156792, 2625090589, 5250181178, 10500362356, 21000724712]

約数ペア:

[(1, 21000724712), (2, 10500362356), (4, 5250181178), (8, 2625090589), (11, 1909156792), (22, 954578396), (44, 477289198), (88, 238644599)]