21300592

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{78311}}^1$

素因数の和:78336

約数の個数: 20

約数和(自身を含む): 43698096

約数和(自身を除く): 22397504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 78311, 156622, 313244, 626488, 1252976, 1331287, 2662574, 5325148, 10650296, 21300592]

約数ペア:

[(1, 21300592), (2, 10650296), (4, 5325148), (8, 2662574), (16, 1331287), (17, 1252976), (34, 626488), (68, 313244), (136, 156622), (272, 78311)]