21031672

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49603}}^1$

素因数の和:49662

約数の個数: 16

約数和(自身を含む): 40179240

約数和(自身を除く): 19147568

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49603, 99206, 198412, 396824, 2628959, 5257918, 10515836, 21031672]

約数ペア:

[(1, 21031672), (2, 10515836), (4, 5257918), (8, 2628959), (53, 396824), (106, 198412), (212, 99206), (424, 49603)]