21306073672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{132257}}^1$

素因数の和:133825

約数の個数: 32

約数和(自身を含む): 43049979000

約数和(自身を除く): 21743905328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1549, 3098, 6196, 12392, 20137, 40274, 80548, 132257, 161096, 264514, 529028, 1058056, 1719341, 3438682, 6877364, 13754728, 204866093, 409732186, 819464372, 1638928744, 2663259209, 5326518418, 10653036836, 21306073672]

約数ペア:

[(1, 21306073672), (2, 10653036836), (4, 5326518418), (8, 2663259209), (13, 1638928744), (26, 819464372), (52, 409732186), (104, 204866093), (1549, 13754728), (3098, 6877364), (6196, 3438682), (12392, 1719341), (20137, 1058056), (40274, 529028), (80548, 264514), (132257, 161096)]