21327554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1777}}^1$

素因数の和:2149

約数の個数: 16

約数和(自身を含む): 33988248

約数和(自身を除く): 12660694

約数列:

[1, 2, 17, 34, 353, 706, 1777, 3554, 6001, 12002, 30209, 60418, 627281, 1254562, 10663777, 21327554]

約数ペア:

[(1, 21327554), (2, 10663777), (17, 1254562), (34, 627281), (353, 60418), (706, 30209), (1777, 12002), (3554, 6001)]