21123019680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{617}}^1$

素因数の和:1108

約数の個数: 384

約数和(自身を含む): 79657095168

約数和(自身を除く): 58534075488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 443, 460, 480, 483, 552, 560, 617, 644, 672, 690, 736, 805, 840, 886, 920, 966, 1104, 1120, 1234, 1288, 1329, 1380, 1610, 1680, 1772, 1840, 1851, 1932, 2208, 2215, 2415, 2468, 2576, 2658, 2760, 3085, 3101, 3220, 3360, 3544, 3680, 3702, 3864, 4319, 4430, 4830, 4936, 5152, 5316, 5520, 6170, 6202, 6440, 6645, 7088, 7404, 7728, 8638, 8860, 9255, 9303, 9660, 9872, 10189, 10632, 11040, 12340, 12404, 12880, 12957, 13290, 14176, 14191, 14808, 15456, 15505, 17276, 17720, 18510, 18606, 19320, 19744, 20378, 21264, 21595, 24680, 24808, 25760, 25914, 26580, 28382, 29616, 30567, 31010, 34552, 35440, 37020, 37212, 38640, 40756, 42528, 42573, 43190, 46515, 49360, 49616, 50945, 51828, 53160, 56764, 59232, 61134, 62020, 64785, 69104, 70880, 70955, 71323, 74040, 74424, 77280, 81512, 85146, 86380, 93030, 98720, 99232, 99337, 101890, 103656, 106320, 113528, 122268, 124040, 129570, 138208, 141910, 142646, 148080, 148848, 152835, 163024, 170292, 172760, 186060, 198674, 203780, 207312, 212640, 212865, 213969, 227056, 244536, 248080, 259140, 273331, 283820, 285292, 296160, 297696, 298011, 305670, 326048, 340584, 345520, 356615, 372120, 397348, 407560, 414624, 425730, 427938, 454112, 489072, 496160, 496685, 518280, 546662, 567640, 570584, 596022, 611340, 681168, 691040, 713230, 744240, 794696, 815120, 819993, 851460, 855876, 978144, 993370, 1036560, 1069845, 1093324, 1135280, 1141168, 1192044, 1222680, 1362336, 1366655, 1426460, 1488480, 1490055, 1589392, 1630240, 1639986, 1702920, 1711752, 1913317, 1986740, 2073120, 2139690, 2186648, 2270560, 2282336, 2384088, 2445360, 2733310, 2852920, 2980110, 3178784, 3279972, 3405840, 3423504, 3826634, 3973480, 4099965, 4279380, 4373296, 4768176, 4890720, 5466620, 5705840, 5739951, 5960220, 6286613, 6559944, 6811680, 6847008, 7653268, 7946960, 8199930, 8558760, 8746592, 9536352, 9566585, 10933240, 11411680, 11479902, 11920440, 12573226, 13119888, 15306536, 15893920, 16399860, 17117520, 18859839, 19133170, 21866480, 22959804, 23840880, 25146452, 26239776, 28699755, 30613072, 31433065, 32799720, 34235040, 37719678, 38266340, 43732960, 44006291, 45919608, 47681760, 50292904, 57399510, 61226144, 62866130, 65599440, 75439356, 76532680, 88012582, 91839216, 94299195, 100585808, 114799020, 125732260, 131198880, 132018873, 150878712, 153065360, 176025164, 183678432, 188598390, 201171616, 220031455, 229598040, 251464520, 264037746, 301757424, 306130720, 352050328, 377196780, 440062910, 459196080, 502929040, 528075492, 603514848, 660094365, 704100656, 754393560, 880125820, 918392160, 1005858080, 1056150984, 1320188730, 1408201312, 1508787120, 1760251640, 2112301968, 2640377460, 3017574240, 3520503280, 4224603936, 5280754920, 7041006560, 10561509840, 21123019680]

約数ペア:

[(1, 21123019680), (2, 10561509840), (3, 7041006560), (4, 5280754920), (5, 4224603936), (6, 3520503280), (7, 3017574240), (8, 2640377460), (10, 2112301968), (12, 1760251640), (14, 1508787120), (15, 1408201312), (16, 1320188730), (20, 1056150984), (21, 1005858080), (23, 918392160), (24, 880125820), (28, 754393560), (30, 704100656), (32, 660094365), (35, 603514848), (40, 528075492), (42, 502929040), (46, 459196080), (48, 440062910), (56, 377196780), (60, 352050328), (69, 306130720), (70, 301757424), (80, 264037746), (84, 251464520), (92, 229598040), (96, 220031455), (105, 201171616), (112, 188598390), (115, 183678432), (120, 176025164), (138, 153065360), (140, 150878712), (160, 132018873), (161, 131198880), (168, 125732260), (184, 114799020), (210, 100585808), (224, 94299195), (230, 91839216), (240, 88012582), (276, 76532680), (280, 75439356), (322, 65599440), (336, 62866130), (345, 61226144), (368, 57399510), (420, 50292904), (443, 47681760), (460, 45919608), (480, 44006291), (483, 43732960), (552, 38266340), (560, 37719678), (617, 34235040), (644, 32799720), (672, 31433065), (690, 30613072), (736, 28699755), (805, 26239776), (840, 25146452), (886, 23840880), (920, 22959804), (966, 21866480), (1104, 19133170), (1120, 18859839), (1234, 17117520), (1288, 16399860), (1329, 15893920), (1380, 15306536), (1610, 13119888), (1680, 12573226), (1772, 11920440), (1840, 11479902), (1851, 11411680), (1932, 10933240), (2208, 9566585), (2215, 9536352), (2415, 8746592), (2468, 8558760), (2576, 8199930), (2658, 7946960), (2760, 7653268), (3085, 6847008), (3101, 6811680), (3220, 6559944), (3360, 6286613), (3544, 5960220), (3680, 5739951), (3702, 5705840), (3864, 5466620), (4319, 4890720), (4430, 4768176), (4830, 4373296), (4936, 4279380), (5152, 4099965), (5316, 3973480), (5520, 3826634), (6170, 3423504), (6202, 3405840), (6440, 3279972), (6645, 3178784), (7088, 2980110), (7404, 2852920), (7728, 2733310), (8638, 2445360), (8860, 2384088), (9255, 2282336), (9303, 2270560), (9660, 2186648), (9872, 2139690), (10189, 2073120), (10632, 1986740), (11040, 1913317), (12340, 1711752), (12404, 1702920), (12880, 1639986), (12957, 1630240), (13290, 1589392), (14176, 1490055), (14191, 1488480), (14808, 1426460), (15456, 1366655), (15505, 1362336), (17276, 1222680), (17720, 1192044), (18510, 1141168), (18606, 1135280), (19320, 1093324), (19744, 1069845), (20378, 1036560), (21264, 993370), (21595, 978144), (24680, 855876), (24808, 851460), (25760, 819993), (25914, 815120), (26580, 794696), (28382, 744240), (29616, 713230), (30567, 691040), (31010, 681168), (34552, 611340), (35440, 596022), (37020, 570584), (37212, 567640), (38640, 546662), (40756, 518280), (42528, 496685), (42573, 496160), (43190, 489072), (46515, 454112), (49360, 427938), (49616, 425730), (50945, 414624), (51828, 407560), (53160, 397348), (56764, 372120), (59232, 356615), (61134, 345520), (62020, 340584), (64785, 326048), (69104, 305670), (70880, 298011), (70955, 297696), (71323, 296160), (74040, 285292), (74424, 283820), (77280, 273331), (81512, 259140), (85146, 248080), (86380, 244536), (93030, 227056), (98720, 213969), (99232, 212865), (99337, 212640), (101890, 207312), (103656, 203780), (106320, 198674), (113528, 186060), (122268, 172760), (124040, 170292), (129570, 163024), (138208, 152835), (141910, 148848), (142646, 148080)]