21123156960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2903}}^1$

素因数の和:3118

約数の個数: 288

約数和(自身を含む): 74890303488

約数和(自身を除く): 53767146528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 163, 180, 186, 240, 248, 279, 288, 310, 326, 360, 372, 465, 480, 489, 496, 558, 620, 652, 720, 744, 815, 930, 978, 992, 1116, 1240, 1304, 1395, 1440, 1467, 1488, 1630, 1860, 1956, 2232, 2445, 2480, 2608, 2790, 2903, 2934, 2976, 3260, 3720, 3912, 4464, 4890, 4960, 5053, 5216, 5580, 5806, 5868, 6520, 7335, 7440, 7824, 8709, 8928, 9780, 10106, 11160, 11612, 11736, 13040, 14515, 14670, 14880, 15159, 15648, 17418, 19560, 20212, 22320, 23224, 23472, 25265, 26080, 26127, 29030, 29340, 30318, 34836, 39120, 40424, 43545, 44640, 45477, 46448, 46944, 50530, 52254, 58060, 58680, 60636, 69672, 75795, 78240, 80848, 87090, 89993, 90954, 92896, 101060, 104508, 116120, 117360, 121272, 130635, 139344, 151590, 161696, 174180, 179986, 181908, 202120, 209016, 227385, 232240, 234720, 242544, 261270, 269979, 278688, 303180, 348360, 359972, 363816, 404240, 418032, 449965, 454770, 464480, 473189, 485088, 522540, 539958, 606360, 696720, 719944, 727632, 808480, 809937, 836064, 899930, 909540, 946378, 1045080, 1079916, 1212720, 1349895, 1393440, 1419567, 1439888, 1455264, 1619874, 1799860, 1819080, 1892756, 2090160, 2159832, 2365945, 2425440, 2699790, 2839134, 2879776, 3239748, 3599720, 3638160, 3785512, 4049685, 4180320, 4258701, 4319664, 4731890, 5399580, 5678268, 6479496, 7097835, 7199440, 7276320, 7571024, 8099370, 8517402, 8639328, 9463780, 10799160, 11356536, 12958992, 14195670, 14398880, 14668859, 15142048, 16198740, 17034804, 18927560, 21293505, 21598320, 22713072, 25917984, 28391340, 29337718, 32397480, 34069608, 37855120, 42587010, 43196640, 44006577, 45426144, 56782680, 58675436, 64794960, 68139216, 73344295, 75710240, 85174020, 88013154, 113565360, 117350872, 129589920, 132019731, 136278432, 146688590, 170348040, 176026308, 220032885, 227130720, 234701744, 264039462, 293377180, 340696080, 352052616, 440065770, 469403488, 528078924, 586754360, 660098655, 681392160, 704105232, 880131540, 1056157848, 1173508720, 1320197310, 1408210464, 1760263080, 2112315696, 2347017440, 2640394620, 3520526160, 4224631392, 5280789240, 7041052320, 10561578480, 21123156960]

約数ペア:

[(1, 21123156960), (2, 10561578480), (3, 7041052320), (4, 5280789240), (5, 4224631392), (6, 3520526160), (8, 2640394620), (9, 2347017440), (10, 2112315696), (12, 1760263080), (15, 1408210464), (16, 1320197310), (18, 1173508720), (20, 1056157848), (24, 880131540), (30, 704105232), (31, 681392160), (32, 660098655), (36, 586754360), (40, 528078924), (45, 469403488), (48, 440065770), (60, 352052616), (62, 340696080), (72, 293377180), (80, 264039462), (90, 234701744), (93, 227130720), (96, 220032885), (120, 176026308), (124, 170348040), (144, 146688590), (155, 136278432), (160, 132019731), (163, 129589920), (180, 117350872), (186, 113565360), (240, 88013154), (248, 85174020), (279, 75710240), (288, 73344295), (310, 68139216), (326, 64794960), (360, 58675436), (372, 56782680), (465, 45426144), (480, 44006577), (489, 43196640), (496, 42587010), (558, 37855120), (620, 34069608), (652, 32397480), (720, 29337718), (744, 28391340), (815, 25917984), (930, 22713072), (978, 21598320), (992, 21293505), (1116, 18927560), (1240, 17034804), (1304, 16198740), (1395, 15142048), (1440, 14668859), (1467, 14398880), (1488, 14195670), (1630, 12958992), (1860, 11356536), (1956, 10799160), (2232, 9463780), (2445, 8639328), (2480, 8517402), (2608, 8099370), (2790, 7571024), (2903, 7276320), (2934, 7199440), (2976, 7097835), (3260, 6479496), (3720, 5678268), (3912, 5399580), (4464, 4731890), (4890, 4319664), (4960, 4258701), (5053, 4180320), (5216, 4049685), (5580, 3785512), (5806, 3638160), (5868, 3599720), (6520, 3239748), (7335, 2879776), (7440, 2839134), (7824, 2699790), (8709, 2425440), (8928, 2365945), (9780, 2159832), (10106, 2090160), (11160, 1892756), (11612, 1819080), (11736, 1799860), (13040, 1619874), (14515, 1455264), (14670, 1439888), (14880, 1419567), (15159, 1393440), (15648, 1349895), (17418, 1212720), (19560, 1079916), (20212, 1045080), (22320, 946378), (23224, 909540), (23472, 899930), (25265, 836064), (26080, 809937), (26127, 808480), (29030, 727632), (29340, 719944), (30318, 696720), (34836, 606360), (39120, 539958), (40424, 522540), (43545, 485088), (44640, 473189), (45477, 464480), (46448, 454770), (46944, 449965), (50530, 418032), (52254, 404240), (58060, 363816), (58680, 359972), (60636, 348360), (69672, 303180), (75795, 278688), (78240, 269979), (80848, 261270), (87090, 242544), (89993, 234720), (90954, 232240), (92896, 227385), (101060, 209016), (104508, 202120), (116120, 181908), (117360, 179986), (121272, 174180), (130635, 161696), (139344, 151590)]