21746716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1033}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 40243280

約数和(自身を除く): 18496564

約数列:

[1, 2, 4, 19, 38, 76, 277, 554, 1033, 1108, 2066, 4132, 5263, 10526, 19627, 21052, 39254, 78508, 286141, 572282, 1144564, 5436679, 10873358, 21746716]

約数ペア:

[(1, 21746716), (2, 10873358), (4, 5436679), (19, 1144564), (38, 572282), (76, 286141), (277, 78508), (554, 39254), (1033, 21052), (1108, 19627), (2066, 10526), (4132, 5263)]