21219774

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208037}}^1$

素因数の和:208059

約数の個数: 16

約数和(自身を含む): 44936208

約数和(自身を除く): 23716434

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208037, 416074, 624111, 1248222, 3536629, 7073258, 10609887, 21219774]

約数ペア:

[(1, 21219774), (2, 10609887), (3, 7073258), (6, 3536629), (17, 1248222), (34, 624111), (51, 416074), (102, 208037)]