21039098

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4153}}^1$

素因数の和:4321

約数の個数: 16

約数和(自身を含む): 33647400

約数和(自身を除く): 12608302

約数列:

[1, 2, 17, 34, 149, 298, 2533, 4153, 5066, 8306, 70601, 141202, 618797, 1237594, 10519549, 21039098]

約数ペア:

[(1, 21039098), (2, 10519549), (17, 1237594), (34, 618797), (149, 141202), (298, 70601), (2533, 8306), (4153, 5066)]