21951039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28921}}^1$

素因数の和:28958

約数の個数: 16

約数和(自身を含む): 33318144

約数和(自身を除く): 11367105

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28921, 86763, 318131, 665183, 954393, 1995549, 7317013, 21951039]

約数ペア:

[(1, 21951039), (3, 7317013), (11, 1995549), (23, 954393), (33, 665183), (69, 318131), (253, 86763), (759, 28921)]