21000071232

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3919}}^1$

素因数の和:4390

約数の個数: 224

約数和(自身を含む): 70733107200

約数和(自身を除く): 49733035968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 443, 448, 504, 576, 672, 756, 864, 886, 1008, 1329, 1344, 1512, 1728, 1772, 2016, 2658, 3024, 3101, 3544, 3919, 3987, 4032, 5316, 6048, 6202, 7088, 7838, 7974, 9303, 10632, 11757, 11961, 12096, 12404, 14176, 15676, 15948, 18606, 21264, 23514, 23922, 24808, 27433, 27909, 28352, 31352, 31896, 35271, 37212, 42528, 47028, 47844, 49616, 54866, 55818, 62704, 63792, 70542, 74424, 82299, 83727, 85056, 94056, 95688, 99232, 105813, 109732, 111636, 125408, 127584, 141084, 148848, 164598, 167454, 188112, 191376, 198464, 211626, 219464, 223272, 246897, 250816, 255168, 282168, 297696, 329196, 334908, 376224, 382752, 423252, 438928, 446544, 493794, 564336, 595392, 658392, 669816, 740691, 752448, 765504, 846504, 877856, 893088, 987588, 1128672, 1316784, 1339632, 1481382, 1693008, 1736117, 1755712, 1786176, 1975176, 2257344, 2633568, 2679264, 2962764, 3386016, 3472234, 3950352, 5208351, 5267136, 5358528, 5925528, 6772032, 6944468, 7900704, 10416702, 11851056, 12152819, 13888936, 15625053, 15801408, 20833404, 23702112, 24305638, 27777872, 31250106, 36458457, 41666808, 46875159, 47404224, 48611276, 55555744, 62500212, 72916914, 83333616, 93750318, 97222552, 109375371, 111111488, 125000424, 145833828, 166667232, 187500636, 194445104, 218750742, 250000848, 291667656, 328126113, 333334464, 375001272, 388890208, 437501484, 500001696, 583335312, 656252226, 750002544, 777780416, 875002968, 1000003392, 1166670624, 1312504452, 1500005088, 1750005936, 2333341248, 2625008904, 3000010176, 3500011872, 5250017808, 7000023744, 10500035616, 21000071232]

約数ペア:

[(1, 21000071232), (2, 10500035616), (3, 7000023744), (4, 5250017808), (6, 3500011872), (7, 3000010176), (8, 2625008904), (9, 2333341248), (12, 1750005936), (14, 1500005088), (16, 1312504452), (18, 1166670624), (21, 1000003392), (24, 875002968), (27, 777780416), (28, 750002544), (32, 656252226), (36, 583335312), (42, 500001696), (48, 437501484), (54, 388890208), (56, 375001272), (63, 333334464), (64, 328126113), (72, 291667656), (84, 250000848), (96, 218750742), (108, 194445104), (112, 187500636), (126, 166667232), (144, 145833828), (168, 125000424), (189, 111111488), (192, 109375371), (216, 97222552), (224, 93750318), (252, 83333616), (288, 72916914), (336, 62500212), (378, 55555744), (432, 48611276), (443, 47404224), (448, 46875159), (504, 41666808), (576, 36458457), (672, 31250106), (756, 27777872), (864, 24305638), (886, 23702112), (1008, 20833404), (1329, 15801408), (1344, 15625053), (1512, 13888936), (1728, 12152819), (1772, 11851056), (2016, 10416702), (2658, 7900704), (3024, 6944468), (3101, 6772032), (3544, 5925528), (3919, 5358528), (3987, 5267136), (4032, 5208351), (5316, 3950352), (6048, 3472234), (6202, 3386016), (7088, 2962764), (7838, 2679264), (7974, 2633568), (9303, 2257344), (10632, 1975176), (11757, 1786176), (11961, 1755712), (12096, 1736117), (12404, 1693008), (14176, 1481382), (15676, 1339632), (15948, 1316784), (18606, 1128672), (21264, 987588), (23514, 893088), (23922, 877856), (24808, 846504), (27433, 765504), (27909, 752448), (28352, 740691), (31352, 669816), (31896, 658392), (35271, 595392), (37212, 564336), (42528, 493794), (47028, 446544), (47844, 438928), (49616, 423252), (54866, 382752), (55818, 376224), (62704, 334908), (63792, 329196), (70542, 297696), (74424, 282168), (82299, 255168), (83727, 250816), (85056, 246897), (94056, 223272), (95688, 219464), (99232, 211626), (105813, 198464), (109732, 191376), (111636, 188112), (125408, 167454), (127584, 164598), (141084, 148848)]