21000605760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1721}}^1$

素因数の和:1986

約数の個数: 336

約数和(自身を含む): 76420431360

約数和(自身を除く): 55419825600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 223, 228, 240, 285, 288, 304, 320, 342, 360, 380, 446, 456, 480, 570, 576, 608, 669, 684, 720, 760, 855, 892, 912, 960, 1115, 1140, 1216, 1338, 1368, 1440, 1520, 1710, 1721, 1784, 1824, 2007, 2230, 2280, 2676, 2736, 2880, 3040, 3345, 3420, 3442, 3568, 3648, 4014, 4237, 4460, 4560, 5163, 5352, 5472, 6080, 6690, 6840, 6884, 7136, 8028, 8474, 8605, 8920, 9120, 10035, 10326, 10704, 10944, 12711, 13380, 13680, 13768, 14272, 15489, 16056, 16948, 17210, 17840, 18240, 20070, 20652, 21185, 21408, 25422, 25815, 26760, 27360, 27536, 30978, 32112, 32699, 33896, 34420, 35680, 38133, 40140, 41304, 42370, 42816, 50844, 51630, 53520, 54720, 55072, 61956, 63555, 64224, 65398, 67792, 68840, 71360, 76266, 77445, 80280, 82608, 84740, 98097, 101688, 103260, 107040, 110144, 123912, 127110, 128448, 130796, 135584, 137680, 152532, 154890, 160560, 163495, 165216, 169480, 190665, 196194, 203376, 206520, 214080, 247824, 254220, 261592, 271168, 275360, 294291, 305064, 309780, 321120, 326990, 330432, 338960, 381330, 383783, 392388, 406752, 413040, 490485, 495648, 508440, 523184, 550720, 588582, 610128, 619560, 642240, 653980, 677920, 762660, 767566, 784776, 813504, 826080, 980970, 991296, 1016880, 1046368, 1151349, 1177164, 1220256, 1239120, 1307960, 1355840, 1471455, 1525320, 1535132, 1569552, 1652160, 1918915, 1961940, 2033760, 2092736, 2302698, 2354328, 2440512, 2478240, 2615920, 2942910, 3050640, 3070264, 3139104, 3454047, 3837830, 3923880, 4067520, 4605396, 4708656, 4956480, 5231840, 5756745, 5885820, 6101280, 6140528, 6278208, 6908094, 7291877, 7675660, 7847760, 9210792, 9417312, 10463680, 11513490, 11771640, 12202560, 12281056, 13816188, 14583754, 15351320, 15695520, 17270235, 18421584, 18834624, 21875631, 23026980, 23543280, 24562112, 27632376, 29167508, 30702640, 31391040, 34540470, 36459385, 36843168, 43751262, 46053960, 47086560, 55264752, 58335016, 61405280, 65626893, 69080940, 72918770, 73686336, 87502524, 92107920, 94173120, 109378155, 110529504, 116670032, 122810560, 131253786, 138161880, 145837540, 175005048, 184215840, 218756310, 221059008, 233340064, 262507572, 276323760, 291675080, 328134465, 350010096, 368431680, 437512620, 466680128, 525015144, 552647520, 583350160, 656268930, 700020192, 875025240, 1050030288, 1105295040, 1166700320, 1312537860, 1400040384, 1750050480, 2100060576, 2333400640, 2625075720, 3500100960, 4200121152, 5250151440, 7000201920, 10500302880, 21000605760]

約数ペア:

[(1, 21000605760), (2, 10500302880), (3, 7000201920), (4, 5250151440), (5, 4200121152), (6, 3500100960), (8, 2625075720), (9, 2333400640), (10, 2100060576), (12, 1750050480), (15, 1400040384), (16, 1312537860), (18, 1166700320), (19, 1105295040), (20, 1050030288), (24, 875025240), (30, 700020192), (32, 656268930), (36, 583350160), (38, 552647520), (40, 525015144), (45, 466680128), (48, 437512620), (57, 368431680), (60, 350010096), (64, 328134465), (72, 291675080), (76, 276323760), (80, 262507572), (90, 233340064), (95, 221059008), (96, 218756310), (114, 184215840), (120, 175005048), (144, 145837540), (152, 138161880), (160, 131253786), (171, 122810560), (180, 116670032), (190, 110529504), (192, 109378155), (223, 94173120), (228, 92107920), (240, 87502524), (285, 73686336), (288, 72918770), (304, 69080940), (320, 65626893), (342, 61405280), (360, 58335016), (380, 55264752), (446, 47086560), (456, 46053960), (480, 43751262), (570, 36843168), (576, 36459385), (608, 34540470), (669, 31391040), (684, 30702640), (720, 29167508), (760, 27632376), (855, 24562112), (892, 23543280), (912, 23026980), (960, 21875631), (1115, 18834624), (1140, 18421584), (1216, 17270235), (1338, 15695520), (1368, 15351320), (1440, 14583754), (1520, 13816188), (1710, 12281056), (1721, 12202560), (1784, 11771640), (1824, 11513490), (2007, 10463680), (2230, 9417312), (2280, 9210792), (2676, 7847760), (2736, 7675660), (2880, 7291877), (3040, 6908094), (3345, 6278208), (3420, 6140528), (3442, 6101280), (3568, 5885820), (3648, 5756745), (4014, 5231840), (4237, 4956480), (4460, 4708656), (4560, 4605396), (5163, 4067520), (5352, 3923880), (5472, 3837830), (6080, 3454047), (6690, 3139104), (6840, 3070264), (6884, 3050640), (7136, 2942910), (8028, 2615920), (8474, 2478240), (8605, 2440512), (8920, 2354328), (9120, 2302698), (10035, 2092736), (10326, 2033760), (10704, 1961940), (10944, 1918915), (12711, 1652160), (13380, 1569552), (13680, 1535132), (13768, 1525320), (14272, 1471455), (15489, 1355840), (16056, 1307960), (16948, 1239120), (17210, 1220256), (17840, 1177164), (18240, 1151349), (20070, 1046368), (20652, 1016880), (21185, 991296), (21408, 980970), (25422, 826080), (25815, 813504), (26760, 784776), (27360, 767566), (27536, 762660), (30978, 677920), (32112, 653980), (32699, 642240), (33896, 619560), (34420, 610128), (35680, 588582), (38133, 550720), (40140, 523184), (41304, 508440), (42370, 495648), (42816, 490485), (50844, 413040), (51630, 406752), (53520, 392388), (54720, 383783), (55072, 381330), (61956, 338960), (63555, 330432), (64224, 326990), (65398, 321120), (67792, 309780), (68840, 305064), (71360, 294291), (76266, 275360), (77445, 271168), (80280, 261592), (82608, 254220), (84740, 247824), (98097, 214080), (101688, 206520), (103260, 203376), (107040, 196194), (110144, 190665), (123912, 169480), (127110, 165216), (128448, 163495), (130796, 160560), (135584, 154890), (137680, 152532)]