21333857760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53101}}^1$

素因数の和:53159

約数の個数: 240

約数和(自身を含む): 77720936832

約数和(自身を除く): 56387079072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2592, 2790, 2976, 3240, 3348, 3720, 4185, 4320, 4464, 4960, 5022, 5580, 6480, 6696, 7440, 8370, 8928, 10044, 11160, 12555, 12960, 13392, 14880, 16740, 20088, 22320, 25110, 26784, 33480, 40176, 44640, 50220, 53101, 66960, 80352, 100440, 106202, 133920, 159303, 200880, 212404, 265505, 318606, 401760, 424808, 477909, 531010, 637212, 796515, 849616, 955818, 1062020, 1274424, 1433727, 1593030, 1646131, 1699232, 1911636, 2124040, 2389545, 2548848, 2867454, 3186060, 3292262, 3823272, 4248080, 4301181, 4779090, 4938393, 5097696, 5734908, 6372120, 6584524, 7168635, 7646544, 8230655, 8496160, 8602362, 9558180, 9876786, 11469816, 12744240, 13169048, 14337270, 14815179, 15293088, 16461310, 17204724, 19116360, 19753572, 21505905, 22939632, 24691965, 25488480, 26338096, 28674540, 29630358, 32922620, 34409448, 38232720, 39507144, 43011810, 44445537, 45879264, 49383930, 52676192, 57349080, 59260716, 65845240, 68818896, 74075895, 76465440, 79014288, 86023620, 88891074, 98767860, 114698160, 118521432, 131690480, 133336611, 137637792, 148151790, 158028576, 172047240, 177782148, 197535720, 222227685, 229396320, 237042864, 263380960, 266673222, 296303580, 344094480, 355564296, 395071440, 444455370, 474085728, 533346444, 592607160, 666683055, 688188960, 711128592, 790142880, 888910740, 1066692888, 1185214320, 1333366110, 1422257184, 1777821480, 2133385776, 2370428640, 2666732220, 3555642960, 4266771552, 5333464440, 7111285920, 10666928880, 21333857760]

約数ペア:

[(1, 21333857760), (2, 10666928880), (3, 7111285920), (4, 5333464440), (5, 4266771552), (6, 3555642960), (8, 2666732220), (9, 2370428640), (10, 2133385776), (12, 1777821480), (15, 1422257184), (16, 1333366110), (18, 1185214320), (20, 1066692888), (24, 888910740), (27, 790142880), (30, 711128592), (31, 688188960), (32, 666683055), (36, 592607160), (40, 533346444), (45, 474085728), (48, 444455370), (54, 395071440), (60, 355564296), (62, 344094480), (72, 296303580), (80, 266673222), (81, 263380960), (90, 237042864), (93, 229396320), (96, 222227685), (108, 197535720), (120, 177782148), (124, 172047240), (135, 158028576), (144, 148151790), (155, 137637792), (160, 133336611), (162, 131690480), (180, 118521432), (186, 114698160), (216, 98767860), (240, 88891074), (248, 86023620), (270, 79014288), (279, 76465440), (288, 74075895), (310, 68818896), (324, 65845240), (360, 59260716), (372, 57349080), (405, 52676192), (432, 49383930), (465, 45879264), (480, 44445537), (496, 43011810), (540, 39507144), (558, 38232720), (620, 34409448), (648, 32922620), (720, 29630358), (744, 28674540), (810, 26338096), (837, 25488480), (864, 24691965), (930, 22939632), (992, 21505905), (1080, 19753572), (1116, 19116360), (1240, 17204724), (1296, 16461310), (1395, 15293088), (1440, 14815179), (1488, 14337270), (1620, 13169048), (1674, 12744240), (1860, 11469816), (2160, 9876786), (2232, 9558180), (2480, 8602362), (2511, 8496160), (2592, 8230655), (2790, 7646544), (2976, 7168635), (3240, 6584524), (3348, 6372120), (3720, 5734908), (4185, 5097696), (4320, 4938393), (4464, 4779090), (4960, 4301181), (5022, 4248080), (5580, 3823272), (6480, 3292262), (6696, 3186060), (7440, 2867454), (8370, 2548848), (8928, 2389545), (10044, 2124040), (11160, 1911636), (12555, 1699232), (12960, 1646131), (13392, 1593030), (14880, 1433727), (16740, 1274424), (20088, 1062020), (22320, 955818), (25110, 849616), (26784, 796515), (33480, 637212), (40176, 531010), (44640, 477909), (50220, 424808), (53101, 401760), (66960, 318606), (80352, 265505), (100440, 212404), (106202, 200880), (133920, 159303)]