21006042960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:3042

約数の個数: 320

約数和(自身を含む): 76733374464

約数和(自身を除く): 55727331504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 71, 80, 84, 105, 112, 120, 122, 140, 142, 168, 183, 210, 213, 240, 244, 280, 284, 305, 336, 355, 366, 420, 426, 427, 488, 497, 560, 568, 610, 710, 732, 840, 852, 854, 915, 976, 994, 1065, 1136, 1220, 1281, 1420, 1464, 1491, 1680, 1704, 1708, 1830, 1988, 2130, 2135, 2440, 2485, 2562, 2840, 2887, 2928, 2982, 3408, 3416, 3660, 3976, 4260, 4270, 4331, 4880, 4970, 5124, 5680, 5774, 5964, 6405, 6832, 7320, 7455, 7952, 8520, 8540, 8661, 8662, 9940, 10248, 11548, 11928, 12810, 12993, 14435, 14640, 14910, 17040, 17080, 17322, 17324, 19880, 20209, 20496, 21655, 23096, 23856, 25620, 25986, 28870, 29820, 30317, 34160, 34644, 34648, 39760, 40418, 43305, 43310, 46192, 51240, 51972, 57740, 59640, 60627, 60634, 64965, 69288, 69296, 80836, 86610, 86620, 90951, 101045, 102480, 103944, 115480, 119280, 121254, 121268, 129930, 138576, 151585, 161672, 173220, 173240, 176107, 181902, 202090, 204977, 207888, 230960, 242508, 242536, 259860, 303135, 303170, 323344, 346440, 346480, 352214, 363804, 404180, 409954, 454755, 485016, 485072, 519720, 528321, 606270, 606340, 614931, 692880, 704428, 727608, 808360, 819908, 880535, 909510, 970032, 1024885, 1039440, 1056642, 1212540, 1212680, 1229862, 1232749, 1408856, 1434839, 1455216, 1616720, 1639816, 1761070, 1819020, 2049770, 2113284, 2425080, 2425360, 2459724, 2465498, 2641605, 2817712, 2869678, 3074655, 3279632, 3522140, 3638040, 3698247, 4099540, 4226568, 4304517, 4850160, 4919448, 4930996, 5283210, 5739356, 6149310, 6163745, 7044280, 7174195, 7276080, 7396494, 8199080, 8453136, 8609034, 9838896, 9861992, 10566420, 11478712, 12298620, 12327490, 12503597, 14088560, 14348390, 14792988, 16398160, 17218068, 18491235, 19723984, 21132840, 21522585, 22957424, 24597240, 24654980, 25007194, 28696780, 29585976, 34436136, 36982470, 37510791, 42265680, 43045170, 49194480, 49309960, 50014388, 57393560, 59171952, 62517985, 68872272, 73964940, 75021582, 86090340, 87525179, 98619920, 100028776, 114787120, 125035970, 147929880, 150043164, 172180680, 175050358, 187553955, 200057552, 250071940, 262575537, 295859760, 300086328, 344361360, 350100716, 375107910, 437625895, 500143880, 525151074, 600172656, 700201432, 750215820, 875251790, 1000287760, 1050302148, 1312877685, 1400402864, 1500431640, 1750503580, 2100604296, 2625755370, 3000863280, 3501007160, 4201208592, 5251510740, 7002014320, 10503021480, 21006042960]

約数ペア:

[(1, 21006042960), (2, 10503021480), (3, 7002014320), (4, 5251510740), (5, 4201208592), (6, 3501007160), (7, 3000863280), (8, 2625755370), (10, 2100604296), (12, 1750503580), (14, 1500431640), (15, 1400402864), (16, 1312877685), (20, 1050302148), (21, 1000287760), (24, 875251790), (28, 750215820), (30, 700201432), (35, 600172656), (40, 525151074), (42, 500143880), (48, 437625895), (56, 375107910), (60, 350100716), (61, 344361360), (70, 300086328), (71, 295859760), (80, 262575537), (84, 250071940), (105, 200057552), (112, 187553955), (120, 175050358), (122, 172180680), (140, 150043164), (142, 147929880), (168, 125035970), (183, 114787120), (210, 100028776), (213, 98619920), (240, 87525179), (244, 86090340), (280, 75021582), (284, 73964940), (305, 68872272), (336, 62517985), (355, 59171952), (366, 57393560), (420, 50014388), (426, 49309960), (427, 49194480), (488, 43045170), (497, 42265680), (560, 37510791), (568, 36982470), (610, 34436136), (710, 29585976), (732, 28696780), (840, 25007194), (852, 24654980), (854, 24597240), (915, 22957424), (976, 21522585), (994, 21132840), (1065, 19723984), (1136, 18491235), (1220, 17218068), (1281, 16398160), (1420, 14792988), (1464, 14348390), (1491, 14088560), (1680, 12503597), (1704, 12327490), (1708, 12298620), (1830, 11478712), (1988, 10566420), (2130, 9861992), (2135, 9838896), (2440, 8609034), (2485, 8453136), (2562, 8199080), (2840, 7396494), (2887, 7276080), (2928, 7174195), (2982, 7044280), (3408, 6163745), (3416, 6149310), (3660, 5739356), (3976, 5283210), (4260, 4930996), (4270, 4919448), (4331, 4850160), (4880, 4304517), (4970, 4226568), (5124, 4099540), (5680, 3698247), (5774, 3638040), (5964, 3522140), (6405, 3279632), (6832, 3074655), (7320, 2869678), (7455, 2817712), (7952, 2641605), (8520, 2465498), (8540, 2459724), (8661, 2425360), (8662, 2425080), (9940, 2113284), (10248, 2049770), (11548, 1819020), (11928, 1761070), (12810, 1639816), (12993, 1616720), (14435, 1455216), (14640, 1434839), (14910, 1408856), (17040, 1232749), (17080, 1229862), (17322, 1212680), (17324, 1212540), (19880, 1056642), (20209, 1039440), (20496, 1024885), (21655, 970032), (23096, 909510), (23856, 880535), (25620, 819908), (25986, 808360), (28870, 727608), (29820, 704428), (30317, 692880), (34160, 614931), (34644, 606340), (34648, 606270), (39760, 528321), (40418, 519720), (43305, 485072), (43310, 485016), (46192, 454755), (51240, 409954), (51972, 404180), (57740, 363804), (59640, 352214), (60627, 346480), (60634, 346440), (64965, 323344), (69288, 303170), (69296, 303135), (80836, 259860), (86610, 242536), (86620, 242508), (90951, 230960), (101045, 207888), (102480, 204977), (103944, 202090), (115480, 181902), (119280, 176107), (121254, 173240), (121268, 173220), (129930, 161672), (138576, 151585)]