21067758416

素因数分解:

$2^4\times {\mathrm{1316734901}}^1$

素因数の和:1316734909

約数の個数: 10

約数和(自身を含む): 40818781962

約数和(自身を除く): 19751023546

約数列:

[1, 2, 4, 8, 16, 1316734901, 2633469802, 5266939604, 10533879208, 21067758416]

約数ペア:

[(1, 21067758416), (2, 10533879208), (4, 5266939604), (8, 2633469802), (16, 1316734901)]