21714916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1621}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 40465656

約数和(自身を除く): 18750740

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 1621, 3242, 3349, 6484, 6698, 13396, 27557, 55114, 110228, 319337, 638674, 1277348, 5428729, 10857458, 21714916]

約数ペア:

[(1, 21714916), (2, 10857458), (4, 5428729), (17, 1277348), (34, 638674), (68, 319337), (197, 110228), (394, 55114), (788, 27557), (1621, 13396), (3242, 6698), (3349, 6484)]