21538792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244759}}^1$

素因数の和:244776

約数の個数: 16

約数和(自身を含む): 44056800

約数和(自身を除く): 22518008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244759, 489518, 979036, 1958072, 2692349, 5384698, 10769396, 21538792]

約数ペア:

[(1, 21538792), (2, 10769396), (4, 5384698), (8, 2692349), (11, 1958072), (22, 979036), (44, 489518), (88, 244759)]