21675865080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{90907}}^1$

素因数の和:92908

約数の個数: 64

約数和(自身を含む): 65061037440

約数和(自身を除く): 43385172360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1987, 3974, 5961, 7948, 9935, 11922, 15896, 19870, 23844, 29805, 39740, 47688, 59610, 79480, 90907, 119220, 181814, 238440, 272721, 363628, 454535, 545442, 727256, 909070, 1090884, 1363605, 1818140, 2181768, 2727210, 3636280, 5454420, 10908840, 180632209, 361264418, 541896627, 722528836, 903161045, 1083793254, 1445057672, 1806322090, 2167586508, 2709483135, 3612644180, 4335173016, 5418966270, 7225288360, 10837932540, 21675865080]

約数ペア:

[(1, 21675865080), (2, 10837932540), (3, 7225288360), (4, 5418966270), (5, 4335173016), (6, 3612644180), (8, 2709483135), (10, 2167586508), (12, 1806322090), (15, 1445057672), (20, 1083793254), (24, 903161045), (30, 722528836), (40, 541896627), (60, 361264418), (120, 180632209), (1987, 10908840), (3974, 5454420), (5961, 3636280), (7948, 2727210), (9935, 2181768), (11922, 1818140), (15896, 1363605), (19870, 1090884), (23844, 909070), (29805, 727256), (39740, 545442), (47688, 454535), (59610, 363628), (79480, 272721), (90907, 238440), (119220, 181814)]