21095542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18869}}^1$

素因数の和:18927

約数の個数: 16

約数和(自身を含む): 34871760

約数和(自身を除く): 13776218

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18869, 37738, 245297, 490594, 811367, 1622734, 10547771, 21095542]

約数ペア:

[(1, 21095542), (2, 10547771), (13, 1622734), (26, 811367), (43, 490594), (86, 245297), (559, 37738), (1118, 18869)]