21039506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1753}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 33529464

約数和(自身を除く): 12489958

約数列:

[1, 2, 17, 34, 353, 706, 1753, 3506, 6001, 12002, 29801, 59602, 618809, 1237618, 10519753, 21039506]

約数ペア:

[(1, 21039506), (2, 10519753), (17, 1237618), (34, 618809), (353, 59602), (706, 29801), (1753, 12002), (3506, 6001)]