21311593

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 23201280

約数和(自身を除く): 1889687

約数列:

[1, 23, 37, 79, 317, 851, 1817, 2923, 7291, 11729, 25043, 67229, 269767, 575989, 926591, 21311593]

約数ペア:

[(1, 21311593), (23, 926591), (37, 575989), (79, 269767), (317, 67229), (851, 25043), (1817, 11729), (2923, 7291)]