21668156912

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33030727}}^1$

素因数の和:33030776

約数の個数: 20

約数和(自身を含む): 43006007856

約数和(自身を除く): 21337850944

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33030727, 66061454, 132122908, 264245816, 528491632, 1354259807, 2708519614, 5417039228, 10834078456, 21668156912]

約数ペア:

[(1, 21668156912), (2, 10834078456), (4, 5417039228), (8, 2708519614), (16, 1354259807), (41, 528491632), (82, 264245816), (164, 132122908), (328, 66061454), (656, 33030727)]