21018138240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{2131}}^1$

素因数の和:2631

約数の個数: 256

約数和(自身を含む): 73276669440

約数和(自身を除く): 52258531200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 467, 480, 528, 640, 660, 704, 880, 934, 960, 1056, 1320, 1401, 1408, 1760, 1868, 1920, 2112, 2131, 2335, 2640, 2802, 3520, 3736, 4224, 4262, 4670, 5137, 5280, 5604, 6393, 7005, 7040, 7472, 8524, 9340, 10274, 10560, 10655, 11208, 12786, 14010, 14944, 15411, 17048, 18680, 20548, 21120, 21310, 22416, 23441, 25572, 25685, 28020, 29888, 30822, 31965, 34096, 37360, 41096, 42620, 44832, 46882, 51144, 51370, 56040, 59776, 61644, 63930, 68192, 70323, 74720, 77055, 82192, 85240, 89664, 93764, 102288, 102740, 112080, 117205, 123288, 127860, 136384, 140646, 149440, 154110, 164384, 170480, 179328, 187528, 204576, 205480, 224160, 234410, 246576, 255720, 272768, 281292, 298880, 308220, 328768, 340960, 351615, 375056, 409152, 410960, 448320, 468820, 493152, 511440, 562584, 616440, 657536, 681920, 703230, 750112, 818304, 821920, 896640, 937640, 986304, 995177, 1022880, 1125168, 1232880, 1363840, 1406460, 1500224, 1643840, 1875280, 1972608, 1990354, 2045760, 2250336, 2465760, 2812920, 2985531, 3000448, 3287680, 3750560, 3980708, 4091520, 4500672, 4931520, 4975885, 5625840, 5971062, 7501120, 7961416, 9001344, 9863040, 9951770, 10946947, 11251680, 11942124, 14927655, 15002240, 15922832, 19903540, 21893894, 22503360, 23884248, 29855310, 31845664, 32840841, 39807080, 43787788, 45006720, 47768496, 54734735, 59710620, 63691328, 65681682, 79614160, 87575576, 95536992, 109469470, 119421240, 127382656, 131363364, 159228320, 164204205, 175151152, 191073984, 218938940, 238842480, 262726728, 318456640, 328408410, 350302304, 382147968, 437877880, 477684960, 525453456, 636913280, 656816820, 700604608, 875755760, 955369920, 1050906912, 1313633640, 1401209216, 1751511520, 1910739840, 2101813824, 2627267280, 3503023040, 4203627648, 5254534560, 7006046080, 10509069120, 21018138240]

約数ペア:

[(1, 21018138240), (2, 10509069120), (3, 7006046080), (4, 5254534560), (5, 4203627648), (6, 3503023040), (8, 2627267280), (10, 2101813824), (11, 1910739840), (12, 1751511520), (15, 1401209216), (16, 1313633640), (20, 1050906912), (22, 955369920), (24, 875755760), (30, 700604608), (32, 656816820), (33, 636913280), (40, 525453456), (44, 477684960), (48, 437877880), (55, 382147968), (60, 350302304), (64, 328408410), (66, 318456640), (80, 262726728), (88, 238842480), (96, 218938940), (110, 191073984), (120, 175151152), (128, 164204205), (132, 159228320), (160, 131363364), (165, 127382656), (176, 119421240), (192, 109469470), (220, 95536992), (240, 87575576), (264, 79614160), (320, 65681682), (330, 63691328), (352, 59710620), (384, 54734735), (440, 47768496), (467, 45006720), (480, 43787788), (528, 39807080), (640, 32840841), (660, 31845664), (704, 29855310), (880, 23884248), (934, 22503360), (960, 21893894), (1056, 19903540), (1320, 15922832), (1401, 15002240), (1408, 14927655), (1760, 11942124), (1868, 11251680), (1920, 10946947), (2112, 9951770), (2131, 9863040), (2335, 9001344), (2640, 7961416), (2802, 7501120), (3520, 5971062), (3736, 5625840), (4224, 4975885), (4262, 4931520), (4670, 4500672), (5137, 4091520), (5280, 3980708), (5604, 3750560), (6393, 3287680), (7005, 3000448), (7040, 2985531), (7472, 2812920), (8524, 2465760), (9340, 2250336), (10274, 2045760), (10560, 1990354), (10655, 1972608), (11208, 1875280), (12786, 1643840), (14010, 1500224), (14944, 1406460), (15411, 1363840), (17048, 1232880), (18680, 1125168), (20548, 1022880), (21120, 995177), (21310, 986304), (22416, 937640), (23441, 896640), (25572, 821920), (25685, 818304), (28020, 750112), (29888, 703230), (30822, 681920), (31965, 657536), (34096, 616440), (37360, 562584), (41096, 511440), (42620, 493152), (44832, 468820), (46882, 448320), (51144, 410960), (51370, 409152), (56040, 375056), (59776, 351615), (61644, 340960), (63930, 328768), (68192, 308220), (70323, 298880), (74720, 281292), (77055, 272768), (82192, 255720), (85240, 246576), (89664, 234410), (93764, 224160), (102288, 205480), (102740, 204576), (112080, 187528), (117205, 179328), (123288, 170480), (127860, 164384), (136384, 154110), (140646, 149440)]