21490854840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{22621}}^1$

素因数の和:22687

約数の個数: 384

約数和(自身を含む): 88931606400

約数和(自身を除く): 67440751560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 29, 30, 35, 36, 39, 40, 42, 45, 52, 56, 58, 60, 63, 65, 70, 72, 78, 84, 87, 90, 91, 104, 105, 116, 117, 120, 126, 130, 140, 145, 156, 168, 174, 180, 182, 195, 203, 210, 232, 234, 252, 260, 261, 273, 280, 290, 312, 315, 348, 360, 364, 377, 390, 406, 420, 435, 455, 468, 504, 520, 522, 546, 580, 585, 609, 630, 696, 728, 754, 780, 812, 819, 840, 870, 910, 936, 1015, 1044, 1092, 1131, 1160, 1170, 1218, 1260, 1305, 1365, 1508, 1560, 1624, 1638, 1740, 1820, 1827, 1885, 2030, 2088, 2184, 2262, 2340, 2436, 2520, 2610, 2639, 2730, 3016, 3045, 3276, 3393, 3480, 3640, 3654, 3770, 4060, 4095, 4524, 4680, 4872, 5220, 5278, 5460, 5655, 6090, 6552, 6786, 7308, 7540, 7917, 8120, 8190, 9048, 9135, 10440, 10556, 10920, 11310, 12180, 13195, 13572, 14616, 15080, 15834, 16380, 16965, 18270, 21112, 22620, 22621, 23751, 24360, 26390, 27144, 31668, 32760, 33930, 36540, 39585, 45240, 45242, 47502, 52780, 63336, 67860, 67863, 73080, 79170, 90484, 95004, 105560, 113105, 118755, 135720, 135726, 158340, 158347, 180968, 190008, 203589, 226210, 237510, 271452, 294073, 316680, 316694, 339315, 407178, 452420, 475020, 475041, 542904, 588146, 633388, 656009, 678630, 791735, 814356, 882219, 904840, 950040, 950082, 1017945, 1176292, 1266776, 1312018, 1357260, 1425123, 1470365, 1583470, 1628712, 1764438, 1900164, 1968027, 2035890, 2058511, 2352584, 2375205, 2624036, 2646657, 2714520, 2850246, 2940730, 3166940, 3280045, 3528876, 3800328, 3936054, 4071780, 4117022, 4411095, 4592063, 4750410, 5248072, 5293314, 5700492, 5881460, 5904081, 6175533, 6333880, 6560090, 7057752, 7125615, 7872108, 8143560, 8234044, 8528117, 8822190, 9184126, 9500820, 9840135, 10292555, 10586628, 11400984, 11762920, 11808162, 12351066, 13120180, 13233285, 13776189, 14251230, 15744216, 16468088, 17056234, 17644380, 18368252, 18526599, 19001640, 19680270, 20585110, 21173256, 22960315, 23616324, 24702132, 25584351, 26240360, 26466570, 27552378, 28502460, 29520405, 30877665, 34112468, 35288760, 36736504, 37053198, 39360540, 41170220, 41328567, 42640585, 45920630, 47232648, 49404264, 51168702, 52933140, 55104756, 57004920, 59040810, 59696819, 61755330, 68224936, 68880945, 74106396, 76753053, 78721080, 82340440, 82657134, 85281170, 91841260, 92632995, 102337404, 105866280, 110209512, 118081620, 119393638, 123510660, 127921755, 137761890, 148212792, 153506106, 165314268, 170562340, 179090457, 183682520, 185265990, 204674808, 206642835, 236163240, 238787276, 247021320, 255843510, 275523780, 298484095, 307012212, 330628536, 341124680, 358180914, 370531980, 383765265, 413285670, 477574552, 511687020, 537271371, 551047560, 596968190, 614024424, 716361828, 741063960, 767530530, 826571340, 895452285, 1023374040, 1074542742, 1193936380, 1432723656, 1535061060, 1653142680, 1790904570, 2149085484, 2387872760, 2686356855, 3070122120, 3581809140, 4298170968, 5372713710, 7163618280, 10745427420, 21490854840]

約数ペア:

[(1, 21490854840), (2, 10745427420), (3, 7163618280), (4, 5372713710), (5, 4298170968), (6, 3581809140), (7, 3070122120), (8, 2686356855), (9, 2387872760), (10, 2149085484), (12, 1790904570), (13, 1653142680), (14, 1535061060), (15, 1432723656), (18, 1193936380), (20, 1074542742), (21, 1023374040), (24, 895452285), (26, 826571340), (28, 767530530), (29, 741063960), (30, 716361828), (35, 614024424), (36, 596968190), (39, 551047560), (40, 537271371), (42, 511687020), (45, 477574552), (52, 413285670), (56, 383765265), (58, 370531980), (60, 358180914), (63, 341124680), (65, 330628536), (70, 307012212), (72, 298484095), (78, 275523780), (84, 255843510), (87, 247021320), (90, 238787276), (91, 236163240), (104, 206642835), (105, 204674808), (116, 185265990), (117, 183682520), (120, 179090457), (126, 170562340), (130, 165314268), (140, 153506106), (145, 148212792), (156, 137761890), (168, 127921755), (174, 123510660), (180, 119393638), (182, 118081620), (195, 110209512), (203, 105866280), (210, 102337404), (232, 92632995), (234, 91841260), (252, 85281170), (260, 82657134), (261, 82340440), (273, 78721080), (280, 76753053), (290, 74106396), (312, 68880945), (315, 68224936), (348, 61755330), (360, 59696819), (364, 59040810), (377, 57004920), (390, 55104756), (406, 52933140), (420, 51168702), (435, 49404264), (455, 47232648), (468, 45920630), (504, 42640585), (520, 41328567), (522, 41170220), (546, 39360540), (580, 37053198), (585, 36736504), (609, 35288760), (630, 34112468), (696, 30877665), (728, 29520405), (754, 28502460), (780, 27552378), (812, 26466570), (819, 26240360), (840, 25584351), (870, 24702132), (910, 23616324), (936, 22960315), (1015, 21173256), (1044, 20585110), (1092, 19680270), (1131, 19001640), (1160, 18526599), (1170, 18368252), (1218, 17644380), (1260, 17056234), (1305, 16468088), (1365, 15744216), (1508, 14251230), (1560, 13776189), (1624, 13233285), (1638, 13120180), (1740, 12351066), (1820, 11808162), (1827, 11762920), (1885, 11400984), (2030, 10586628), (2088, 10292555), (2184, 9840135), (2262, 9500820), (2340, 9184126), (2436, 8822190), (2520, 8528117), (2610, 8234044), (2639, 8143560), (2730, 7872108), (3016, 7125615), (3045, 7057752), (3276, 6560090), (3393, 6333880), (3480, 6175533), (3640, 5904081), (3654, 5881460), (3770, 5700492), (4060, 5293314), (4095, 5248072), (4524, 4750410), (4680, 4592063), (4872, 4411095), (5220, 4117022), (5278, 4071780), (5460, 3936054), (5655, 3800328), (6090, 3528876), (6552, 3280045), (6786, 3166940), (7308, 2940730), (7540, 2850246), (7917, 2714520), (8120, 2646657), (8190, 2624036), (9048, 2375205), (9135, 2352584), (10440, 2058511), (10556, 2035890), (10920, 1968027), (11310, 1900164), (12180, 1764438), (13195, 1628712), (13572, 1583470), (14616, 1470365), (15080, 1425123), (15834, 1357260), (16380, 1312018), (16965, 1266776), (18270, 1176292), (21112, 1017945), (22620, 950082), (22621, 950040), (23751, 904840), (24360, 882219), (26390, 814356), (27144, 791735), (31668, 678630), (32760, 656009), (33930, 633388), (36540, 588146), (39585, 542904), (45240, 475041), (45242, 475020), (47502, 452420), (52780, 407178), (63336, 339315), (67860, 316694), (67863, 316680), (73080, 294073), (79170, 271452), (90484, 237510), (95004, 226210), (105560, 203589), (113105, 190008), (118755, 180968), (135720, 158347), (135726, 158340)]