2213960021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{838939}}^1$

素因数の和:838988

約数の個数: 16

約数和(自身を含む): 2818838400

約数和(自身を除く): 604878379

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 838939, 5872573, 10906207, 24329231, 76343449, 170304617, 316280003, 2213960021]

約数ペア:

[(1, 2213960021), (7, 316280003), (13, 170304617), (29, 76343449), (91, 24329231), (203, 10906207), (377, 5872573), (2639, 838939)]