21032086554

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1193}}^1\times {\mathrm{3389}}^1$

素因数の和:4624

約数の個数: 72

約数和(自身を含む): 48462633180

約数和(自身を除く): 27430546626

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 289, 306, 578, 867, 1193, 1734, 2386, 2601, 3389, 3579, 5202, 6778, 7158, 10167, 10737, 20281, 20334, 21474, 30501, 40562, 57613, 60843, 61002, 115226, 121686, 172839, 182529, 344777, 345678, 365058, 518517, 689554, 979421, 1034331, 1037034, 1958842, 2068662, 2938263, 3102993, 4043077, 5876526, 6205986, 8086154, 8814789, 12129231, 17629578, 24258462, 36387693, 68732309, 72775386, 137464618, 206196927, 412393854, 618590781, 1168449253, 1237181562, 2336898506, 3505347759, 7010695518, 10516043277, 21032086554]

約数ペア:

[(1, 21032086554), (2, 10516043277), (3, 7010695518), (6, 3505347759), (9, 2336898506), (17, 1237181562), (18, 1168449253), (34, 618590781), (51, 412393854), (102, 206196927), (153, 137464618), (289, 72775386), (306, 68732309), (578, 36387693), (867, 24258462), (1193, 17629578), (1734, 12129231), (2386, 8814789), (2601, 8086154), (3389, 6205986), (3579, 5876526), (5202, 4043077), (6778, 3102993), (7158, 2938263), (10167, 2068662), (10737, 1958842), (20281, 1037034), (20334, 1034331), (21474, 979421), (30501, 689554), (40562, 518517), (57613, 365058), (60843, 345678), (61002, 344777), (115226, 182529), (121686, 172839)]