21138552

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2143}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 57695040

約数和(自身を除く): 36556488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2143, 2466, 3288, 4286, 4932, 6429, 8572, 9864, 12858, 17144, 19287, 25716, 38574, 51432, 77148, 154296, 293591, 587182, 880773, 1174364, 1761546, 2348728, 2642319, 3523092, 5284638, 7046184, 10569276, 21138552]

約数ペア:

[(1, 21138552), (2, 10569276), (3, 7046184), (4, 5284638), (6, 3523092), (8, 2642319), (9, 2348728), (12, 1761546), (18, 1174364), (24, 880773), (36, 587182), (72, 293591), (137, 154296), (274, 77148), (411, 51432), (548, 38574), (822, 25716), (1096, 19287), (1233, 17144), (1644, 12858), (2143, 9864), (2466, 8572), (3288, 6429), (4286, 4932)]