21571803840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{1049}}^1$

素因数の和:1791

約数の個数: 224

約数和(自身を含む): 70869657600

約数和(自身を除く): 49297853760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 691, 744, 930, 960, 992, 1049, 1240, 1382, 1488, 1860, 1984, 2073, 2098, 2480, 2764, 2976, 3147, 3455, 3720, 4146, 4196, 4960, 5245, 5528, 5952, 6294, 6910, 7440, 8292, 8392, 9920, 10365, 10490, 11056, 12588, 13820, 14880, 15735, 16584, 16784, 20730, 20980, 21421, 22112, 25176, 27640, 29760, 31470, 32519, 33168, 33568, 41460, 41960, 42842, 44224, 50352, 55280, 62940, 64263, 65038, 66336, 67136, 82920, 83920, 85684, 97557, 100704, 107105, 110560, 125880, 128526, 130076, 132672, 162595, 165840, 167840, 171368, 195114, 201408, 214210, 221120, 251760, 257052, 260152, 321315, 325190, 331680, 335680, 342736, 390228, 428420, 487785, 503520, 514104, 520304, 642630, 650380, 663360, 685472, 724859, 780456, 856840, 975570, 1007040, 1028208, 1040608, 1285260, 1300760, 1370944, 1449718, 1560912, 1713680, 1951140, 2056416, 2081216, 2174577, 2570520, 2601520, 2899436, 3121824, 3427360, 3624295, 3902280, 4112832, 4349154, 5141040, 5203040, 5798872, 6243648, 6854720, 7248590, 7804560, 8698308, 10282080, 10406080, 10872885, 11597744, 14497180, 15609120, 17396616, 20564160, 21745770, 22470629, 23195488, 28994360, 31218240, 34793232, 43491540, 44941258, 46390976, 57988720, 67411887, 69586464, 86983080, 89882516, 112353145, 115977440, 134823774, 139172928, 173966160, 179765032, 224706290, 231954880, 269647548, 337059435, 347932320, 359530064, 449412580, 539295096, 674118870, 695864640, 719060128, 898825160, 1078590192, 1348237740, 1438120256, 1797650320, 2157180384, 2696475480, 3595300640, 4314360768, 5392950960, 7190601280, 10785901920, 21571803840]

約数ペア:

[(1, 21571803840), (2, 10785901920), (3, 7190601280), (4, 5392950960), (5, 4314360768), (6, 3595300640), (8, 2696475480), (10, 2157180384), (12, 1797650320), (15, 1438120256), (16, 1348237740), (20, 1078590192), (24, 898825160), (30, 719060128), (31, 695864640), (32, 674118870), (40, 539295096), (48, 449412580), (60, 359530064), (62, 347932320), (64, 337059435), (80, 269647548), (93, 231954880), (96, 224706290), (120, 179765032), (124, 173966160), (155, 139172928), (160, 134823774), (186, 115977440), (192, 112353145), (240, 89882516), (248, 86983080), (310, 69586464), (320, 67411887), (372, 57988720), (465, 46390976), (480, 44941258), (496, 43491540), (620, 34793232), (691, 31218240), (744, 28994360), (930, 23195488), (960, 22470629), (992, 21745770), (1049, 20564160), (1240, 17396616), (1382, 15609120), (1488, 14497180), (1860, 11597744), (1984, 10872885), (2073, 10406080), (2098, 10282080), (2480, 8698308), (2764, 7804560), (2976, 7248590), (3147, 6854720), (3455, 6243648), (3720, 5798872), (4146, 5203040), (4196, 5141040), (4960, 4349154), (5245, 4112832), (5528, 3902280), (5952, 3624295), (6294, 3427360), (6910, 3121824), (7440, 2899436), (8292, 2601520), (8392, 2570520), (9920, 2174577), (10365, 2081216), (10490, 2056416), (11056, 1951140), (12588, 1713680), (13820, 1560912), (14880, 1449718), (15735, 1370944), (16584, 1300760), (16784, 1285260), (20730, 1040608), (20980, 1028208), (21421, 1007040), (22112, 975570), (25176, 856840), (27640, 780456), (29760, 724859), (31470, 685472), (32519, 663360), (33168, 650380), (33568, 642630), (41460, 520304), (41960, 514104), (42842, 503520), (44224, 487785), (50352, 428420), (55280, 390228), (62940, 342736), (64263, 335680), (65038, 331680), (66336, 325190), (67136, 321315), (82920, 260152), (83920, 257052), (85684, 251760), (97557, 221120), (100704, 214210), (107105, 201408), (110560, 195114), (125880, 171368), (128526, 167840), (130076, 165840), (132672, 162595)]