21787194037

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{9067}}^1$

素因数の和:9218

約数の個数: 48

約数和(自身を含む): 27911304000

約数和(自身を除く): 6124109963

約数列:

[1, 7, 19, 29, 49, 89, 133, 203, 551, 623, 931, 1421, 1691, 2581, 3857, 4361, 9067, 11837, 18067, 26999, 49039, 63469, 82859, 126469, 172273, 262943, 343273, 444283, 806963, 1205911, 1840601, 2402911, 4995917, 5648741, 8441377, 12884207, 15332297, 23401927, 34971419, 39541187, 107326079, 163813489, 244799933, 444636613, 751282553, 1146694423, 3112456291, 21787194037]

約数ペア:

[(1, 21787194037), (7, 3112456291), (19, 1146694423), (29, 751282553), (49, 444636613), (89, 244799933), (133, 163813489), (203, 107326079), (551, 39541187), (623, 34971419), (931, 23401927), (1421, 15332297), (1691, 12884207), (2581, 8441377), (3857, 5648741), (4361, 4995917), (9067, 2402911), (11837, 1840601), (18067, 1205911), (26999, 806963), (49039, 444283), (63469, 343273), (82859, 262943), (126469, 172273)]