21126545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8933}}^1$

素因数の和:8992

約数の個数: 16

約数和(自身を含む): 28302912

約数和(自身を除く): 7176367

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8933, 44665, 98263, 384119, 491315, 1920595, 4225309, 21126545]

約数ペア:

[(1, 21126545), (5, 4225309), (11, 1920595), (43, 491315), (55, 384119), (215, 98263), (473, 44665), (2365, 8933)]