21169144

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{19037}}^1$

素因数の和:19182

約数の個数: 16

約数和(自身を含む): 39979800

約数和(自身を除く): 18810656

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 19037, 38074, 76148, 152296, 2646143, 5292286, 10584572, 21169144]

約数ペア:

[(1, 21169144), (2, 10584572), (4, 5292286), (8, 2646143), (139, 152296), (278, 76148), (556, 38074), (1112, 19037)]