21903794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{32117}}^1$

素因数の和:32161

約数の個数: 16

約数和(自身を含む): 36999936

約数和(自身を除く): 15096142

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 32117, 64234, 353287, 706574, 995627, 1991254, 10951897, 21903794]

約数ペア:

[(1, 21903794), (2, 10951897), (11, 1991254), (22, 995627), (31, 706574), (62, 353287), (341, 64234), (682, 32117)]