21765888

素因数分解:

$2^8\times 3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 66716160

約数和(自身を除く): 44950272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 67, 72, 94, 96, 108, 128, 134, 141, 144, 188, 192, 201, 216, 256, 268, 282, 288, 376, 384, 402, 423, 432, 536, 564, 576, 603, 752, 768, 804, 846, 864, 1072, 1128, 1152, 1206, 1269, 1504, 1608, 1692, 1728, 1809, 2144, 2256, 2304, 2412, 2538, 3008, 3149, 3216, 3384, 3456, 3618, 4288, 4512, 4824, 5076, 6016, 6298, 6432, 6768, 6912, 7236, 8576, 9024, 9447, 9648, 10152, 12032, 12596, 12864, 13536, 14472, 17152, 18048, 18894, 19296, 20304, 25192, 25728, 27072, 28341, 28944, 36096, 37788, 38592, 40608, 50384, 51456, 54144, 56682, 57888, 75576, 77184, 81216, 85023, 100768, 108288, 113364, 115776, 151152, 154368, 162432, 170046, 201536, 226728, 231552, 302304, 324864, 340092, 403072, 453456, 463104, 604608, 680184, 806144, 906912, 1209216, 1360368, 1813824, 2418432, 2720736, 3627648, 5441472, 7255296, 10882944, 21765888]

約数ペア:

[(1, 21765888), (2, 10882944), (3, 7255296), (4, 5441472), (6, 3627648), (8, 2720736), (9, 2418432), (12, 1813824), (16, 1360368), (18, 1209216), (24, 906912), (27, 806144), (32, 680184), (36, 604608), (47, 463104), (48, 453456), (54, 403072), (64, 340092), (67, 324864), (72, 302304), (94, 231552), (96, 226728), (108, 201536), (128, 170046), (134, 162432), (141, 154368), (144, 151152), (188, 115776), (192, 113364), (201, 108288), (216, 100768), (256, 85023), (268, 81216), (282, 77184), (288, 75576), (376, 57888), (384, 56682), (402, 54144), (423, 51456), (432, 50384), (536, 40608), (564, 38592), (576, 37788), (603, 36096), (752, 28944), (768, 28341), (804, 27072), (846, 25728), (864, 25192), (1072, 20304), (1128, 19296), (1152, 18894), (1206, 18048), (1269, 17152), (1504, 14472), (1608, 13536), (1692, 12864), (1728, 12596), (1809, 12032), (2144, 10152), (2256, 9648), (2304, 9447), (2412, 9024), (2538, 8576), (3008, 7236), (3149, 6912), (3216, 6768), (3384, 6432), (3456, 6298), (3618, 6016), (4288, 5076), (4512, 4824)]