21181162

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2801}}^1$

素因数の和:3021

約数の個数: 16

約数和(自身を含む): 33624000

約数和(自身を除く): 12442838

約数列:

[1, 2, 19, 38, 199, 398, 2801, 3781, 5602, 7562, 53219, 106438, 557399, 1114798, 10590581, 21181162]

約数ペア:

[(1, 21181162), (2, 10590581), (19, 1114798), (38, 557399), (199, 106438), (398, 53219), (2801, 7562), (3781, 5602)]