21070929

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{3343}}^1$

素因数の和:3548

約数の個数: 16

約数和(自身を含む): 30818304

約数和(自身を除く): 9747375

約数列:

[1, 3, 11, 33, 191, 573, 2101, 3343, 6303, 10029, 36773, 110319, 638513, 1915539, 7023643, 21070929]

約数ペア:

[(1, 21070929), (3, 7023643), (11, 1915539), (33, 638513), (191, 110319), (573, 36773), (2101, 10029), (3343, 6303)]