21899656

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{4231}}^1$

素因数の和:4884

約数の個数: 16

約数和(自身を含む): 41135040

約数和(自身を除く): 19235384

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 4231, 5176, 8462, 16924, 33848, 2737457, 5474914, 10949828, 21899656]

約数ペア:

[(1, 21899656), (2, 10949828), (4, 5474914), (8, 2737457), (647, 33848), (1294, 16924), (2588, 8462), (4231, 5176)]