21599136

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 120

約数和(自身を含む): 68515524

約数和(自身を除く): 46916388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 624, 641, 648, 702, 864, 936, 1053, 1248, 1282, 1296, 1404, 1872, 1923, 2106, 2564, 2592, 2808, 3744, 3846, 4212, 5128, 5616, 5769, 7692, 8333, 8424, 10256, 11232, 11538, 15384, 16666, 16848, 17307, 20512, 23076, 24999, 30768, 33332, 33696, 34614, 46152, 49998, 51921, 61536, 66664, 69228, 74997, 92304, 99996, 103842, 133328, 138456, 149994, 184608, 199992, 207684, 224991, 266656, 276912, 299988, 399984, 415368, 449982, 553824, 599976, 674973, 799968, 830736, 899964, 1199952, 1349946, 1661472, 1799928, 2399904, 2699892, 3599856, 5399784, 7199712, 10799568, 21599136]

約数ペア:

[(1, 21599136), (2, 10799568), (3, 7199712), (4, 5399784), (6, 3599856), (8, 2699892), (9, 2399904), (12, 1799928), (13, 1661472), (16, 1349946), (18, 1199952), (24, 899964), (26, 830736), (27, 799968), (32, 674973), (36, 599976), (39, 553824), (48, 449982), (52, 415368), (54, 399984), (72, 299988), (78, 276912), (81, 266656), (96, 224991), (104, 207684), (108, 199992), (117, 184608), (144, 149994), (156, 138456), (162, 133328), (208, 103842), (216, 99996), (234, 92304), (288, 74997), (312, 69228), (324, 66664), (351, 61536), (416, 51921), (432, 49998), (468, 46152), (624, 34614), (641, 33696), (648, 33332), (702, 30768), (864, 24999), (936, 23076), (1053, 20512), (1248, 17307), (1282, 16848), (1296, 16666), (1404, 15384), (1872, 11538), (1923, 11232), (2106, 10256), (2564, 8424), (2592, 8333), (2808, 7692), (3744, 5769), (3846, 5616), (4212, 5128)]