21328513920

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{176327}}^1$

素因数の和:176362

約数の個数: 256

約数和(自身を含む): 86330188800

約数和(自身を除く): 65001674880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 176327, 352654, 528981, 705308, 881635, 1057962, 1234289, 1410616, 1586943, 1763270, 2115924, 2468578, 2644905, 2821232, 3173886, 3526540, 3702867, 4231848, 4760829, 4937156, 5289810, 5642464, 6171445, 6347772, 7053080, 7405734, 7934715, 8463696, 9521658, 9874312, 10579620, 11108601, 11284928, 12342890, 12695544, 14106160, 14811468, 15869430, 16927392, 18514335, 19043316, 19748624, 21159240, 22217202, 22569856, 23804145, 24685780, 25391088, 28212320, 29622936, 31738860, 33325803, 33854784, 37028670, 38086632, 39497248, 42318480, 44434404, 47608290, 49371560, 50782176, 55543005, 56424640, 59245872, 63477720, 66651606, 67709568, 74057340, 76173264, 78994496, 84636960, 88868808, 95216580, 98743120, 101564352, 111086010, 112849280, 118491744, 126955440, 133303212, 148114680, 152346528, 157988992, 166629015, 169273920, 177737616, 190433160, 197486240, 203128704, 222172020, 236983488, 253910880, 266606424, 296229360, 304693056, 333258030, 338547840, 355475232, 380866320, 394972480, 444344040, 473966976, 507821760, 533212848, 592458720, 609386112, 666516060, 710950464, 761732640, 789944960, 888688080, 1015643520, 1066425696, 1184917440, 1333032120, 1421900928, 1523465280, 1777376160, 2132851392, 2369834880, 2666064240, 3046930560, 3554752320, 4265702784, 5332128480, 7109504640, 10664256960, 21328513920]

約数ペア:

[(1, 21328513920), (2, 10664256960), (3, 7109504640), (4, 5332128480), (5, 4265702784), (6, 3554752320), (7, 3046930560), (8, 2666064240), (9, 2369834880), (10, 2132851392), (12, 1777376160), (14, 1523465280), (15, 1421900928), (16, 1333032120), (18, 1184917440), (20, 1066425696), (21, 1015643520), (24, 888688080), (27, 789944960), (28, 761732640), (30, 710950464), (32, 666516060), (35, 609386112), (36, 592458720), (40, 533212848), (42, 507821760), (45, 473966976), (48, 444344040), (54, 394972480), (56, 380866320), (60, 355475232), (63, 338547840), (64, 333258030), (70, 304693056), (72, 296229360), (80, 266606424), (84, 253910880), (90, 236983488), (96, 222172020), (105, 203128704), (108, 197486240), (112, 190433160), (120, 177737616), (126, 169273920), (128, 166629015), (135, 157988992), (140, 152346528), (144, 148114680), (160, 133303212), (168, 126955440), (180, 118491744), (189, 112849280), (192, 111086010), (210, 101564352), (216, 98743120), (224, 95216580), (240, 88868808), (252, 84636960), (270, 78994496), (280, 76173264), (288, 74057340), (315, 67709568), (320, 66651606), (336, 63477720), (360, 59245872), (378, 56424640), (384, 55543005), (420, 50782176), (432, 49371560), (448, 47608290), (480, 44434404), (504, 42318480), (540, 39497248), (560, 38086632), (576, 37028670), (630, 33854784), (640, 33325803), (672, 31738860), (720, 29622936), (756, 28212320), (840, 25391088), (864, 24685780), (896, 23804145), (945, 22569856), (960, 22217202), (1008, 21159240), (1080, 19748624), (1120, 19043316), (1152, 18514335), (1260, 16927392), (1344, 15869430), (1440, 14811468), (1512, 14106160), (1680, 12695544), (1728, 12342890), (1890, 11284928), (1920, 11108601), (2016, 10579620), (2160, 9874312), (2240, 9521658), (2520, 8463696), (2688, 7934715), (2880, 7405734), (3024, 7053080), (3360, 6347772), (3456, 6171445), (3780, 5642464), (4032, 5289810), (4320, 4937156), (4480, 4760829), (5040, 4231848), (5760, 3702867), (6048, 3526540), (6720, 3173886), (7560, 2821232), (8064, 2644905), (8640, 2468578), (10080, 2115924), (12096, 1763270), (13440, 1586943), (15120, 1410616), (17280, 1234289), (20160, 1057962), (24192, 881635), (30240, 705308), (40320, 528981), (60480, 352654), (120960, 176327)]