21295043

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{797}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 5364541

約数列:

[1, 7, 11, 77, 347, 797, 2429, 3817, 5579, 8767, 26719, 61369, 276559, 1935913, 3042149, 21295043]

約数ペア:

[(1, 21295043), (7, 3042149), (11, 1935913), (77, 276559), (347, 61369), (797, 26719), (2429, 8767), (3817, 5579)]