21360971520

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{264893}}^1$

素因数の和:264927

約数の個数: 216

約数和(自身を含む): 84465160416

約数和(自身を除く): 63104188896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 264893, 529786, 794679, 1059572, 1324465, 1589358, 1854251, 2119144, 2384037, 2648930, 3178716, 3708502, 3973395, 4238288, 4768074, 5297860, 5562753, 6357432, 7417004, 7946790, 8476576, 9271255, 9536148, 10595720, 11125506, 11920185, 12714864, 14834008, 15893580, 16688259, 16953152, 18542510, 19072296, 21191440, 22251012, 23840370, 25429728, 27813765, 29668016, 31787160, 33376518, 33906304, 37085020, 38144592, 42382880, 44502024, 47680740, 50859456, 55627530, 59336032, 63574320, 66753036, 67812608, 74170040, 76289184, 83441295, 84765760, 89004048, 95361480, 101718912, 111255060, 118672064, 127148640, 133506072, 148340080, 152578368, 166882590, 169531520, 178008096, 190722960, 203437824, 222510120, 237344128, 254297280, 267012144, 296680160, 305156736, 333765180, 339063040, 356016192, 381445920, 445020240, 474688256, 508594560, 534024288, 593360320, 610313472, 667530360, 712032384, 762891840, 890040480, 1017189120, 1068048576, 1186720640, 1335060720, 1424064768, 1525783680, 1780080960, 2136097152, 2373441280, 2670121440, 3051567360, 3560161920, 4272194304, 5340242880, 7120323840, 10680485760, 21360971520]

約数ペア:

[(1, 21360971520), (2, 10680485760), (3, 7120323840), (4, 5340242880), (5, 4272194304), (6, 3560161920), (7, 3051567360), (8, 2670121440), (9, 2373441280), (10, 2136097152), (12, 1780080960), (14, 1525783680), (15, 1424064768), (16, 1335060720), (18, 1186720640), (20, 1068048576), (21, 1017189120), (24, 890040480), (28, 762891840), (30, 712032384), (32, 667530360), (35, 610313472), (36, 593360320), (40, 534024288), (42, 508594560), (45, 474688256), (48, 445020240), (56, 381445920), (60, 356016192), (63, 339063040), (64, 333765180), (70, 305156736), (72, 296680160), (80, 267012144), (84, 254297280), (90, 237344128), (96, 222510120), (105, 203437824), (112, 190722960), (120, 178008096), (126, 169531520), (128, 166882590), (140, 152578368), (144, 148340080), (160, 133506072), (168, 127148640), (180, 118672064), (192, 111255060), (210, 101718912), (224, 95361480), (240, 89004048), (252, 84765760), (256, 83441295), (280, 76289184), (288, 74170040), (315, 67812608), (320, 66753036), (336, 63574320), (360, 59336032), (384, 55627530), (420, 50859456), (448, 47680740), (480, 44502024), (504, 42382880), (560, 38144592), (576, 37085020), (630, 33906304), (640, 33376518), (672, 31787160), (720, 29668016), (768, 27813765), (840, 25429728), (896, 23840370), (960, 22251012), (1008, 21191440), (1120, 19072296), (1152, 18542510), (1260, 16953152), (1280, 16688259), (1344, 15893580), (1440, 14834008), (1680, 12714864), (1792, 11920185), (1920, 11125506), (2016, 10595720), (2240, 9536148), (2304, 9271255), (2520, 8476576), (2688, 7946790), (2880, 7417004), (3360, 6357432), (3840, 5562753), (4032, 5297860), (4480, 4768074), (5040, 4238288), (5376, 3973395), (5760, 3708502), (6720, 3178716), (8064, 2648930), (8960, 2384037), (10080, 2119144), (11520, 1854251), (13440, 1589358), (16128, 1324465), (20160, 1059572), (26880, 794679), (40320, 529786), (80640, 264893)]