21812453

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 24218880

約数和(自身を除く): 2406427

約数列:

[1, 13, 67, 79, 317, 871, 1027, 4121, 5293, 21239, 25043, 68809, 276107, 325559, 1677881, 21812453]

約数ペア:

[(1, 21812453), (13, 1677881), (67, 325559), (79, 276107), (317, 68809), (871, 25043), (1027, 21239), (4121, 5293)]