21758464

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:505

約数の個数: 80

約数和(自身を含む): 53621568

約数和(自身を除く): 31863104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 467, 512, 728, 832, 896, 934, 1456, 1664, 1792, 1868, 2912, 3269, 3328, 3584, 3736, 5824, 6071, 6538, 6656, 7472, 11648, 12142, 13076, 14944, 23296, 24284, 26152, 29888, 42497, 46592, 48568, 52304, 59776, 84994, 97136, 104608, 119552, 169988, 194272, 209216, 239104, 339976, 388544, 418432, 679952, 777088, 836864, 1359904, 1554176, 1673728, 2719808, 3108352, 5439616, 10879232, 21758464]

約数ペア:

[(1, 21758464), (2, 10879232), (4, 5439616), (7, 3108352), (8, 2719808), (13, 1673728), (14, 1554176), (16, 1359904), (26, 836864), (28, 777088), (32, 679952), (52, 418432), (56, 388544), (64, 339976), (91, 239104), (104, 209216), (112, 194272), (128, 169988), (182, 119552), (208, 104608), (224, 97136), (256, 84994), (364, 59776), (416, 52304), (448, 48568), (467, 46592), (512, 42497), (728, 29888), (832, 26152), (896, 24284), (934, 23296), (1456, 14944), (1664, 13076), (1792, 12142), (1868, 11648), (2912, 7472), (3269, 6656), (3328, 6538), (3584, 6071), (3736, 5824)]