21068594

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:809

約数の個数: 16

約数和(自身を含む): 32137728

約数和(自身を除く): 11069134

約数列:

[1, 2, 97, 194, 223, 446, 487, 974, 21631, 43262, 47239, 94478, 108601, 217202, 10534297, 21068594]

約数ペア:

[(1, 21068594), (2, 10534297), (97, 217202), (194, 108601), (223, 94478), (446, 47239), (487, 43262), (974, 21631)]