21098880

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 320

約数和(自身を含む): 84419280

約数和(自身を除く): 63320400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 37, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 74, 80, 81, 88, 90, 96, 99, 108, 110, 111, 120, 128, 132, 135, 144, 148, 160, 162, 165, 176, 180, 185, 192, 198, 216, 220, 222, 240, 264, 270, 288, 296, 297, 320, 324, 330, 333, 352, 360, 370, 384, 396, 405, 407, 432, 440, 444, 480, 495, 528, 540, 555, 576, 592, 594, 640, 648, 660, 666, 704, 720, 740, 792, 810, 814, 864, 880, 888, 891, 960, 990, 999, 1056, 1080, 1110, 1152, 1184, 1188, 1221, 1296, 1320, 1332, 1408, 1440, 1480, 1485, 1584, 1620, 1628, 1665, 1728, 1760, 1776, 1782, 1920, 1980, 1998, 2035, 2112, 2160, 2220, 2368, 2376, 2442, 2592, 2640, 2664, 2880, 2960, 2970, 2997, 3168, 3240, 3256, 3330, 3456, 3520, 3552, 3564, 3663, 3960, 3996, 4070, 4224, 4320, 4440, 4455, 4736, 4752, 4884, 4995, 5184, 5280, 5328, 5760, 5920, 5940, 5994, 6105, 6336, 6480, 6512, 6660, 7040, 7104, 7128, 7326, 7920, 7992, 8140, 8640, 8880, 8910, 9504, 9768, 9990, 10368, 10560, 10656, 10989, 11840, 11880, 11988, 12210, 12672, 12960, 13024, 13320, 14208, 14256, 14652, 14985, 15840, 15984, 16280, 17280, 17760, 17820, 18315, 19008, 19536, 19980, 21120, 21312, 21978, 23680, 23760, 23976, 24420, 25920, 26048, 26640, 28512, 29304, 29970, 31680, 31968, 32560, 32967, 35520, 35640, 36630, 38016, 39072, 39960, 42624, 43956, 47520, 47952, 48840, 51840, 52096, 53280, 54945, 57024, 58608, 59940, 63360, 63936, 65120, 65934, 71040, 71280, 73260, 78144, 79920, 87912, 95040, 95904, 97680, 106560, 109890, 114048, 117216, 119880, 127872, 130240, 131868, 142560, 146520, 156288, 159840, 164835, 175824, 190080, 191808, 195360, 213120, 219780, 234432, 239760, 260480, 263736, 285120, 293040, 319680, 329670, 351648, 383616, 390720, 439560, 468864, 479520, 527472, 570240, 586080, 639360, 659340, 703296, 781440, 879120, 959040, 1054944, 1172160, 1318680, 1406592, 1758240, 1918080, 2109888, 2344320, 2637360, 3516480, 4219776, 5274720, 7032960, 10549440, 21098880]

約数ペア:

[(1, 21098880), (2, 10549440), (3, 7032960), (4, 5274720), (5, 4219776), (6, 3516480), (8, 2637360), (9, 2344320), (10, 2109888), (11, 1918080), (12, 1758240), (15, 1406592), (16, 1318680), (18, 1172160), (20, 1054944), (22, 959040), (24, 879120), (27, 781440), (30, 703296), (32, 659340), (33, 639360), (36, 586080), (37, 570240), (40, 527472), (44, 479520), (45, 468864), (48, 439560), (54, 390720), (55, 383616), (60, 351648), (64, 329670), (66, 319680), (72, 293040), (74, 285120), (80, 263736), (81, 260480), (88, 239760), (90, 234432), (96, 219780), (99, 213120), (108, 195360), (110, 191808), (111, 190080), (120, 175824), (128, 164835), (132, 159840), (135, 156288), (144, 146520), (148, 142560), (160, 131868), (162, 130240), (165, 127872), (176, 119880), (180, 117216), (185, 114048), (192, 109890), (198, 106560), (216, 97680), (220, 95904), (222, 95040), (240, 87912), (264, 79920), (270, 78144), (288, 73260), (296, 71280), (297, 71040), (320, 65934), (324, 65120), (330, 63936), (333, 63360), (352, 59940), (360, 58608), (370, 57024), (384, 54945), (396, 53280), (405, 52096), (407, 51840), (432, 48840), (440, 47952), (444, 47520), (480, 43956), (495, 42624), (528, 39960), (540, 39072), (555, 38016), (576, 36630), (592, 35640), (594, 35520), (640, 32967), (648, 32560), (660, 31968), (666, 31680), (704, 29970), (720, 29304), (740, 28512), (792, 26640), (810, 26048), (814, 25920), (864, 24420), (880, 23976), (888, 23760), (891, 23680), (960, 21978), (990, 21312), (999, 21120), (1056, 19980), (1080, 19536), (1110, 19008), (1152, 18315), (1184, 17820), (1188, 17760), (1221, 17280), (1296, 16280), (1320, 15984), (1332, 15840), (1408, 14985), (1440, 14652), (1480, 14256), (1485, 14208), (1584, 13320), (1620, 13024), (1628, 12960), (1665, 12672), (1728, 12210), (1760, 11988), (1776, 11880), (1782, 11840), (1920, 10989), (1980, 10656), (1998, 10560), (2035, 10368), (2112, 9990), (2160, 9768), (2220, 9504), (2368, 8910), (2376, 8880), (2442, 8640), (2592, 8140), (2640, 7992), (2664, 7920), (2880, 7326), (2960, 7128), (2970, 7104), (2997, 7040), (3168, 6660), (3240, 6512), (3256, 6480), (3330, 6336), (3456, 6105), (3520, 5994), (3552, 5940), (3564, 5920), (3663, 5760), (3960, 5328), (3996, 5280), (4070, 5184), (4224, 4995), (4320, 4884), (4440, 4752), (4455, 4736)]