21703208

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24889}}^1$

素因数の和:25004

約数の個数: 16

約数和(自身を含む): 41068500

約数和(自身を除く): 19365292

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24889, 49778, 99556, 199112, 2712901, 5425802, 10851604, 21703208]

約数ペア:

[(1, 21703208), (2, 10851604), (4, 5425802), (8, 2712901), (109, 199112), (218, 99556), (436, 49778), (872, 24889)]