21141554

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65657}}^1$

素因数の和:65689

約数の個数: 16

約数和(自身を含む): 37819008

約数和(自身を除く): 16677454

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65657, 131314, 459599, 919198, 1510111, 3020222, 10570777, 21141554]

約数ペア:

[(1, 21141554), (2, 10570777), (7, 3020222), (14, 1510111), (23, 919198), (46, 459599), (161, 131314), (322, 65657)]