21678888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11731}}^1$

素因数の和:11758

約数の個数: 64

約数和(自身を含む): 67576320

約数和(自身を除く): 45897432

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11731, 23462, 35193, 46924, 70386, 82117, 93848, 129041, 140772, 164234, 246351, 258082, 281544, 328468, 387123, 492702, 516164, 656936, 774246, 903287, 985404, 1032328, 1548492, 1806574, 1970808, 2709861, 3096984, 3613148, 5419722, 7226296, 10839444, 21678888]

約数ペア:

[(1, 21678888), (2, 10839444), (3, 7226296), (4, 5419722), (6, 3613148), (7, 3096984), (8, 2709861), (11, 1970808), (12, 1806574), (14, 1548492), (21, 1032328), (22, 985404), (24, 903287), (28, 774246), (33, 656936), (42, 516164), (44, 492702), (56, 387123), (66, 328468), (77, 281544), (84, 258082), (88, 246351), (132, 164234), (154, 140772), (168, 129041), (231, 93848), (264, 82117), (308, 70386), (462, 46924), (616, 35193), (924, 23462), (1848, 11731)]