21137061

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2749}}^1$

素因数の和:2996

約数の個数: 16

約数和(自身を含む): 30888000

約数和(自身を除く): 9750939

約数列:

[1, 3, 11, 33, 233, 699, 2563, 2749, 7689, 8247, 30239, 90717, 640517, 1921551, 7045687, 21137061]

約数ペア:

[(1, 21137061), (3, 7045687), (11, 1921551), (33, 640517), (233, 90717), (699, 30239), (2563, 8247), (2749, 7689)]