21241512

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 61102080

約数和(自身を除く): 39860568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 101, 127, 138, 184, 202, 207, 254, 276, 303, 381, 404, 414, 508, 552, 606, 762, 808, 828, 909, 1016, 1143, 1212, 1524, 1656, 1818, 2286, 2323, 2424, 2921, 3048, 3636, 4572, 4646, 5842, 6969, 7272, 8763, 9144, 9292, 11684, 12827, 13938, 17526, 18584, 20907, 23368, 25654, 26289, 27876, 35052, 38481, 41814, 51308, 52578, 55752, 70104, 76962, 83628, 102616, 105156, 115443, 153924, 167256, 210312, 230886, 295021, 307848, 461772, 590042, 885063, 923544, 1180084, 1770126, 2360168, 2655189, 3540252, 5310378, 7080504, 10620756, 21241512]

約数ペア:

[(1, 21241512), (2, 10620756), (3, 7080504), (4, 5310378), (6, 3540252), (8, 2655189), (9, 2360168), (12, 1770126), (18, 1180084), (23, 923544), (24, 885063), (36, 590042), (46, 461772), (69, 307848), (72, 295021), (92, 230886), (101, 210312), (127, 167256), (138, 153924), (184, 115443), (202, 105156), (207, 102616), (254, 83628), (276, 76962), (303, 70104), (381, 55752), (404, 52578), (414, 51308), (508, 41814), (552, 38481), (606, 35052), (762, 27876), (808, 26289), (828, 25654), (909, 23368), (1016, 20907), (1143, 18584), (1212, 17526), (1524, 13938), (1656, 12827), (1818, 11684), (2286, 9292), (2323, 9144), (2424, 8763), (2921, 7272), (3048, 6969), (3636, 5842), (4572, 4646)]