21567578

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 32826816

約数和(自身を除く): 11259238

約数列:

[1, 2, 131, 262, 263, 313, 526, 626, 34453, 41003, 68906, 82006, 82319, 164638, 10783789, 21567578]

約数ペア:

[(1, 21567578), (2, 10783789), (131, 164638), (262, 82319), (263, 82006), (313, 68906), (526, 41003), (626, 34453)]