21000755328

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1453}}^1$

素因数の和:1779

約数の個数: 256

約数和(自身を含む): 67391155200

約数和(自身を除く): 46390399872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 266, 283, 304, 336, 384, 399, 448, 456, 532, 566, 608, 672, 798, 849, 896, 912, 1064, 1132, 1216, 1344, 1453, 1596, 1698, 1824, 1981, 2128, 2264, 2432, 2688, 2906, 3192, 3396, 3648, 3962, 4256, 4359, 4528, 5377, 5812, 5943, 6384, 6792, 7296, 7924, 8512, 8718, 9056, 10171, 10754, 11624, 11886, 12768, 13584, 15848, 16131, 17024, 17436, 18112, 20342, 21508, 23248, 23772, 25536, 27168, 27607, 30513, 31696, 32262, 34872, 36224, 37639, 40684, 43016, 46496, 47544, 51072, 54336, 55214, 61026, 63392, 64524, 69744, 75278, 81368, 82821, 86032, 92992, 95088, 108672, 110428, 112917, 122052, 126784, 129048, 139488, 150556, 162736, 165642, 172064, 185984, 190176, 193249, 220856, 225834, 244104, 253568, 258096, 278976, 301112, 325472, 331284, 344128, 380352, 386498, 411199, 441712, 451668, 488208, 516192, 557952, 579747, 602224, 650944, 662568, 688256, 760704, 772996, 822398, 883424, 903336, 976416, 1032384, 1159494, 1204448, 1233597, 1301888, 1325136, 1545992, 1644796, 1766848, 1806672, 1952832, 2064768, 2318988, 2408896, 2467194, 2650272, 2878393, 3091984, 3289592, 3533696, 3613344, 3905664, 4637976, 4817792, 4934388, 5300544, 5756786, 6183968, 6579184, 7226688, 7812781, 8635179, 9275952, 9868776, 10601088, 11513572, 12367936, 13158368, 14453376, 15625562, 17270358, 18551904, 19737552, 23027144, 23438343, 24735872, 26316736, 31251124, 34540716, 37103808, 39475104, 46054288, 46876686, 52633472, 54689467, 62502248, 69081432, 74207616, 78950208, 92108576, 93753372, 109378934, 125004496, 138162864, 157900416, 164068401, 184217152, 187506744, 218757868, 250008992, 276325728, 328136802, 368434304, 375013488, 437515736, 500017984, 552651456, 656273604, 750026976, 875031472, 1000035968, 1105302912, 1312547208, 1500053952, 1750062944, 2625094416, 3000107904, 3500125888, 5250188832, 7000251776, 10500377664, 21000755328]

約数ペア:

[(1, 21000755328), (2, 10500377664), (3, 7000251776), (4, 5250188832), (6, 3500125888), (7, 3000107904), (8, 2625094416), (12, 1750062944), (14, 1500053952), (16, 1312547208), (19, 1105302912), (21, 1000035968), (24, 875031472), (28, 750026976), (32, 656273604), (38, 552651456), (42, 500017984), (48, 437515736), (56, 375013488), (57, 368434304), (64, 328136802), (76, 276325728), (84, 250008992), (96, 218757868), (112, 187506744), (114, 184217152), (128, 164068401), (133, 157900416), (152, 138162864), (168, 125004496), (192, 109378934), (224, 93753372), (228, 92108576), (266, 78950208), (283, 74207616), (304, 69081432), (336, 62502248), (384, 54689467), (399, 52633472), (448, 46876686), (456, 46054288), (532, 39475104), (566, 37103808), (608, 34540716), (672, 31251124), (798, 26316736), (849, 24735872), (896, 23438343), (912, 23027144), (1064, 19737552), (1132, 18551904), (1216, 17270358), (1344, 15625562), (1453, 14453376), (1596, 13158368), (1698, 12367936), (1824, 11513572), (1981, 10601088), (2128, 9868776), (2264, 9275952), (2432, 8635179), (2688, 7812781), (2906, 7226688), (3192, 6579184), (3396, 6183968), (3648, 5756786), (3962, 5300544), (4256, 4934388), (4359, 4817792), (4528, 4637976), (5377, 3905664), (5812, 3613344), (5943, 3533696), (6384, 3289592), (6792, 3091984), (7296, 2878393), (7924, 2650272), (8512, 2467194), (8718, 2408896), (9056, 2318988), (10171, 2064768), (10754, 1952832), (11624, 1806672), (11886, 1766848), (12768, 1644796), (13584, 1545992), (15848, 1325136), (16131, 1301888), (17024, 1233597), (17436, 1204448), (18112, 1159494), (20342, 1032384), (21508, 976416), (23248, 903336), (23772, 883424), (25536, 822398), (27168, 772996), (27607, 760704), (30513, 688256), (31696, 662568), (32262, 650944), (34872, 602224), (36224, 579747), (37639, 557952), (40684, 516192), (43016, 488208), (46496, 451668), (47544, 441712), (51072, 411199), (54336, 386498), (55214, 380352), (61026, 344128), (63392, 331284), (64524, 325472), (69744, 301112), (75278, 278976), (81368, 258096), (82821, 253568), (86032, 244104), (92992, 225834), (95088, 220856), (108672, 193249), (110428, 190176), (112917, 185984), (122052, 172064), (126784, 165642), (129048, 162736), (139488, 150556)]