21500503920

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{157999}}^1$

素因数の和:158034

約数の個数: 240

約数和(自身を含む): 85577856000

約数和(自身を除く): 64077352080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1512, 1620, 1680, 1701, 1890, 1944, 2160, 2268, 2430, 2520, 2835, 3024, 3240, 3402, 3780, 3888, 4536, 4860, 5040, 5670, 6480, 6804, 7560, 8505, 9072, 9720, 11340, 13608, 15120, 17010, 19440, 22680, 27216, 34020, 45360, 68040, 136080, 157999, 315998, 473997, 631996, 789995, 947994, 1105993, 1263992, 1421991, 1579990, 1895988, 2211986, 2369985, 2527984, 2843982, 3159980, 3317979, 3791976, 4265973, 4423972, 4739970, 5529965, 5687964, 6319960, 6635958, 7109955, 7583952, 8531946, 8847944, 9479940, 9953937, 11059930, 11375928, 12639920, 12797919, 13271916, 14219910, 16589895, 17063892, 17695888, 18959880, 19907874, 21329865, 22119860, 22751856, 25595838, 26543832, 28439820, 29861811, 33179790, 34127784, 37919760, 38393757, 39815748, 42659730, 44239720, 49769685, 51191676, 53087664, 56879640, 59723622, 63989595, 66359580, 68255568, 76787514, 79631496, 85319460, 88479440, 89585433, 99539370, 102383352, 113759280, 119447244, 127979190, 132719160, 149309055, 153575028, 159262992, 170638920, 179170866, 191968785, 199078740, 204766704, 238894488, 255958380, 265438320, 268756299, 298618110, 307150056, 341277840, 358341732, 383937570, 398157480, 447927165, 477788976, 511916760, 537512598, 597236220, 614300112, 716683464, 767875140, 796314960, 895854330, 1023833520, 1075025196, 1194472440, 1343781495, 1433366928, 1535750280, 1791708660, 2150050392, 2388944880, 2687562990, 3071500560, 3583417320, 4300100784, 5375125980, 7166834640, 10750251960, 21500503920]

約数ペア:

[(1, 21500503920), (2, 10750251960), (3, 7166834640), (4, 5375125980), (5, 4300100784), (6, 3583417320), (7, 3071500560), (8, 2687562990), (9, 2388944880), (10, 2150050392), (12, 1791708660), (14, 1535750280), (15, 1433366928), (16, 1343781495), (18, 1194472440), (20, 1075025196), (21, 1023833520), (24, 895854330), (27, 796314960), (28, 767875140), (30, 716683464), (35, 614300112), (36, 597236220), (40, 537512598), (42, 511916760), (45, 477788976), (48, 447927165), (54, 398157480), (56, 383937570), (60, 358341732), (63, 341277840), (70, 307150056), (72, 298618110), (80, 268756299), (81, 265438320), (84, 255958380), (90, 238894488), (105, 204766704), (108, 199078740), (112, 191968785), (120, 179170866), (126, 170638920), (135, 159262992), (140, 153575028), (144, 149309055), (162, 132719160), (168, 127979190), (180, 119447244), (189, 113759280), (210, 102383352), (216, 99539370), (240, 89585433), (243, 88479440), (252, 85319460), (270, 79631496), (280, 76787514), (315, 68255568), (324, 66359580), (336, 63989595), (360, 59723622), (378, 56879640), (405, 53087664), (420, 51191676), (432, 49769685), (486, 44239720), (504, 42659730), (540, 39815748), (560, 38393757), (567, 37919760), (630, 34127784), (648, 33179790), (720, 29861811), (756, 28439820), (810, 26543832), (840, 25595838), (945, 22751856), (972, 22119860), (1008, 21329865), (1080, 19907874), (1134, 18959880), (1215, 17695888), (1260, 17063892), (1296, 16589895), (1512, 14219910), (1620, 13271916), (1680, 12797919), (1701, 12639920), (1890, 11375928), (1944, 11059930), (2160, 9953937), (2268, 9479940), (2430, 8847944), (2520, 8531946), (2835, 7583952), (3024, 7109955), (3240, 6635958), (3402, 6319960), (3780, 5687964), (3888, 5529965), (4536, 4739970), (4860, 4423972), (5040, 4265973), (5670, 3791976), (6480, 3317979), (6804, 3159980), (7560, 2843982), (8505, 2527984), (9072, 2369985), (9720, 2211986), (11340, 1895988), (13608, 1579990), (15120, 1421991), (17010, 1263992), (19440, 1105993), (22680, 947994), (27216, 789995), (34020, 631996), (45360, 473997), (68040, 315998), (136080, 157999)]