21486080

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 64817280

約数和(自身を除く): 43331200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 109, 110, 112, 128, 140, 154, 160, 176, 218, 220, 224, 256, 280, 308, 320, 352, 385, 436, 440, 448, 512, 545, 560, 616, 640, 704, 763, 770, 872, 880, 896, 1090, 1120, 1199, 1232, 1280, 1408, 1526, 1540, 1744, 1760, 1792, 2180, 2240, 2398, 2464, 2560, 2816, 3052, 3080, 3488, 3520, 3584, 3815, 4360, 4480, 4796, 4928, 5632, 5995, 6104, 6160, 6976, 7040, 7630, 8393, 8720, 8960, 9592, 9856, 11990, 12208, 12320, 13952, 14080, 15260, 16786, 17440, 17920, 19184, 19712, 23980, 24416, 24640, 27904, 28160, 30520, 33572, 34880, 38368, 39424, 41965, 47960, 48832, 49280, 55808, 61040, 67144, 69760, 76736, 83930, 95920, 97664, 98560, 122080, 134288, 139520, 153472, 167860, 191840, 195328, 197120, 244160, 268576, 279040, 306944, 335720, 383680, 390656, 488320, 537152, 613888, 671440, 767360, 976640, 1074304, 1342880, 1534720, 1953280, 2148608, 2685760, 3069440, 4297216, 5371520, 10743040, 21486080]

約数ペア:

[(1, 21486080), (2, 10743040), (4, 5371520), (5, 4297216), (7, 3069440), (8, 2685760), (10, 2148608), (11, 1953280), (14, 1534720), (16, 1342880), (20, 1074304), (22, 976640), (28, 767360), (32, 671440), (35, 613888), (40, 537152), (44, 488320), (55, 390656), (56, 383680), (64, 335720), (70, 306944), (77, 279040), (80, 268576), (88, 244160), (109, 197120), (110, 195328), (112, 191840), (128, 167860), (140, 153472), (154, 139520), (160, 134288), (176, 122080), (218, 98560), (220, 97664), (224, 95920), (256, 83930), (280, 76736), (308, 69760), (320, 67144), (352, 61040), (385, 55808), (436, 49280), (440, 48832), (448, 47960), (512, 41965), (545, 39424), (560, 38368), (616, 34880), (640, 33572), (704, 30520), (763, 28160), (770, 27904), (872, 24640), (880, 24416), (896, 23980), (1090, 19712), (1120, 19184), (1199, 17920), (1232, 17440), (1280, 16786), (1408, 15260), (1526, 14080), (1540, 13952), (1744, 12320), (1760, 12208), (1792, 11990), (2180, 9856), (2240, 9592), (2398, 8960), (2464, 8720), (2560, 8393), (2816, 7630), (3052, 7040), (3080, 6976), (3488, 6160), (3520, 6104), (3584, 5995), (3815, 5632), (4360, 4928), (4480, 4796)]