21559262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2851}}^1$

素因数の和:3071

約数の個数: 16

約数和(自身を含む): 34224000

約数和(自身を除く): 12664738

約数列:

[1, 2, 19, 38, 199, 398, 2851, 3781, 5702, 7562, 54169, 108338, 567349, 1134698, 10779631, 21559262]

約数ペア:

[(1, 21559262), (2, 10779631), (19, 1134698), (38, 567349), (199, 108338), (398, 54169), (2851, 7562), (3781, 5702)]