20232121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 25037824

約数和(自身を除く): 4805703

約数列:

[1, 7, 13, 91, 223, 997, 1561, 2899, 6979, 12961, 20293, 90727, 222331, 1556317, 2890303, 20232121]

約数ペア:

[(1, 20232121), (7, 2890303), (13, 1556317), (91, 222331), (223, 90727), (997, 20293), (1561, 12961), (2899, 6979)]