21486286080

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{266447}}^1$

素因数の和:266481

約数の個数: 216

約数和(自身を含む): 84960675072

約数和(自身を除く): 63474388992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 266447, 532894, 799341, 1065788, 1332235, 1598682, 1865129, 2131576, 2398023, 2664470, 3197364, 3730258, 3996705, 4263152, 4796046, 5328940, 5595387, 6394728, 7460516, 7993410, 8526304, 9325645, 9592092, 10657880, 11190774, 11990115, 12789456, 14921032, 15986820, 16786161, 17052608, 18651290, 19184184, 21315760, 22381548, 23980230, 25578912, 27976935, 29842064, 31973640, 33572322, 34105216, 37302580, 38368368, 42631520, 44763096, 47960460, 51157824, 55953870, 59684128, 63947280, 67144644, 68210432, 74605160, 76736736, 83930805, 85263040, 89526192, 95920920, 102315648, 111907740, 119368256, 127894560, 134289288, 149210320, 153473472, 167861610, 170526080, 179052384, 191841840, 204631296, 223815480, 238736512, 255789120, 268578576, 298420640, 306946944, 335723220, 341052160, 358104768, 383683680, 447630960, 477473024, 511578240, 537157152, 596841280, 613893888, 671446440, 716209536, 767367360, 895261920, 1023156480, 1074314304, 1193682560, 1342892880, 1432419072, 1534734720, 1790523840, 2148628608, 2387365120, 2685785760, 3069469440, 3581047680, 4297257216, 5371571520, 7162095360, 10743143040, 21486286080]

約数ペア:

[(1, 21486286080), (2, 10743143040), (3, 7162095360), (4, 5371571520), (5, 4297257216), (6, 3581047680), (7, 3069469440), (8, 2685785760), (9, 2387365120), (10, 2148628608), (12, 1790523840), (14, 1534734720), (15, 1432419072), (16, 1342892880), (18, 1193682560), (20, 1074314304), (21, 1023156480), (24, 895261920), (28, 767367360), (30, 716209536), (32, 671446440), (35, 613893888), (36, 596841280), (40, 537157152), (42, 511578240), (45, 477473024), (48, 447630960), (56, 383683680), (60, 358104768), (63, 341052160), (64, 335723220), (70, 306946944), (72, 298420640), (80, 268578576), (84, 255789120), (90, 238736512), (96, 223815480), (105, 204631296), (112, 191841840), (120, 179052384), (126, 170526080), (128, 167861610), (140, 153473472), (144, 149210320), (160, 134289288), (168, 127894560), (180, 119368256), (192, 111907740), (210, 102315648), (224, 95920920), (240, 89526192), (252, 85263040), (256, 83930805), (280, 76736736), (288, 74605160), (315, 68210432), (320, 67144644), (336, 63947280), (360, 59684128), (384, 55953870), (420, 51157824), (448, 47960460), (480, 44763096), (504, 42631520), (560, 38368368), (576, 37302580), (630, 34105216), (640, 33572322), (672, 31973640), (720, 29842064), (768, 27976935), (840, 25578912), (896, 23980230), (960, 22381548), (1008, 21315760), (1120, 19184184), (1152, 18651290), (1260, 17052608), (1280, 16786161), (1344, 15986820), (1440, 14921032), (1680, 12789456), (1792, 11990115), (1920, 11190774), (2016, 10657880), (2240, 9592092), (2304, 9325645), (2520, 8526304), (2688, 7993410), (2880, 7460516), (3360, 6394728), (3840, 5595387), (4032, 5328940), (4480, 4796046), (5040, 4263152), (5376, 3996705), (5760, 3730258), (6720, 3197364), (8064, 2664470), (8960, 2398023), (10080, 2131576), (11520, 1865129), (13440, 1598682), (16128, 1332235), (20160, 1065788), (26880, 799341), (40320, 532894), (80640, 266447)]