21158104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240433}}^1$

素因数の和:240450

約数の個数: 16

約数和(自身を含む): 43278120

約数和(自身を除く): 22120016

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240433, 480866, 961732, 1923464, 2644763, 5289526, 10579052, 21158104]

約数ペア:

[(1, 21158104), (2, 10579052), (4, 5289526), (8, 2644763), (11, 1923464), (22, 961732), (44, 480866), (88, 240433)]