21000259584

素因数分解:

$2^{11}\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1888

約数の個数: 240

約数和(自身を含む): 63645341760

約数和(自身を除く): 42645082176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 81, 96, 108, 128, 142, 144, 162, 192, 213, 216, 256, 284, 288, 324, 384, 426, 432, 512, 568, 576, 639, 648, 768, 852, 864, 1024, 1136, 1152, 1278, 1296, 1536, 1704, 1728, 1783, 1917, 2048, 2272, 2304, 2556, 2592, 3072, 3408, 3456, 3566, 3834, 4544, 4608, 5112, 5184, 5349, 5751, 6144, 6816, 6912, 7132, 7668, 9088, 9216, 10224, 10368, 10698, 11502, 13632, 13824, 14264, 15336, 16047, 18176, 18432, 20448, 20736, 21396, 23004, 27264, 27648, 28528, 30672, 32094, 36352, 40896, 41472, 42792, 46008, 48141, 54528, 55296, 57056, 61344, 64188, 72704, 81792, 82944, 85584, 92016, 96282, 109056, 114112, 122688, 126593, 128376, 144423, 145408, 163584, 165888, 171168, 184032, 192564, 218112, 228224, 245376, 253186, 256752, 288846, 327168, 342336, 368064, 379779, 385128, 436224, 456448, 490752, 506372, 513504, 577692, 654336, 684672, 736128, 759558, 770256, 912896, 981504, 1012744, 1027008, 1139337, 1155384, 1308672, 1369344, 1472256, 1519116, 1540512, 1825792, 1963008, 2025488, 2054016, 2278674, 2310768, 2738688, 2944512, 3038232, 3081024, 3418011, 3651584, 3926016, 4050976, 4108032, 4557348, 4621536, 5477376, 5889024, 6076464, 6162048, 6836022, 8101952, 8216064, 9114696, 9243072, 10254033, 10954752, 11778048, 12152928, 12324096, 13672044, 16203904, 16432128, 18229392, 18486144, 20508066, 24305856, 24648192, 27344088, 32407808, 32864256, 36458784, 36972288, 41016132, 48611712, 49296384, 54688176, 64815616, 72917568, 73944576, 82032264, 97223424, 98592768, 109376352, 129631232, 145835136, 147889152, 164064528, 194446848, 218752704, 259262464, 291670272, 295778304, 328129056, 388893696, 437505408, 583340544, 656258112, 777787392, 875010816, 1166681088, 1312516224, 1750021632, 2333362176, 2625032448, 3500043264, 5250064896, 7000086528, 10500129792, 21000259584]

約数ペア:

[(1, 21000259584), (2, 10500129792), (3, 7000086528), (4, 5250064896), (6, 3500043264), (8, 2625032448), (9, 2333362176), (12, 1750021632), (16, 1312516224), (18, 1166681088), (24, 875010816), (27, 777787392), (32, 656258112), (36, 583340544), (48, 437505408), (54, 388893696), (64, 328129056), (71, 295778304), (72, 291670272), (81, 259262464), (96, 218752704), (108, 194446848), (128, 164064528), (142, 147889152), (144, 145835136), (162, 129631232), (192, 109376352), (213, 98592768), (216, 97223424), (256, 82032264), (284, 73944576), (288, 72917568), (324, 64815616), (384, 54688176), (426, 49296384), (432, 48611712), (512, 41016132), (568, 36972288), (576, 36458784), (639, 32864256), (648, 32407808), (768, 27344088), (852, 24648192), (864, 24305856), (1024, 20508066), (1136, 18486144), (1152, 18229392), (1278, 16432128), (1296, 16203904), (1536, 13672044), (1704, 12324096), (1728, 12152928), (1783, 11778048), (1917, 10954752), (2048, 10254033), (2272, 9243072), (2304, 9114696), (2556, 8216064), (2592, 8101952), (3072, 6836022), (3408, 6162048), (3456, 6076464), (3566, 5889024), (3834, 5477376), (4544, 4621536), (4608, 4557348), (5112, 4108032), (5184, 4050976), (5349, 3926016), (5751, 3651584), (6144, 3418011), (6816, 3081024), (6912, 3038232), (7132, 2944512), (7668, 2738688), (9088, 2310768), (9216, 2278674), (10224, 2054016), (10368, 2025488), (10698, 1963008), (11502, 1825792), (13632, 1540512), (13824, 1519116), (14264, 1472256), (15336, 1369344), (16047, 1308672), (18176, 1155384), (18432, 1139337), (20448, 1027008), (20736, 1012744), (21396, 981504), (23004, 912896), (27264, 770256), (27648, 759558), (28528, 736128), (30672, 684672), (32094, 654336), (36352, 577692), (40896, 513504), (41472, 506372), (42792, 490752), (46008, 456448), (48141, 436224), (54528, 385128), (55296, 379779), (57056, 368064), (61344, 342336), (64188, 327168), (72704, 288846), (81792, 256752), (82944, 253186), (85584, 245376), (92016, 228224), (96282, 218112), (109056, 192564), (114112, 184032), (122688, 171168), (126593, 165888), (128376, 163584), (144423, 145408)]