21508683

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10559}}^1$

素因数の和:10666

約数の個数: 16

約数和(自身を含む): 33116160

約数和(自身を除く): 11607477

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 10559, 31677, 73913, 221739, 1024223, 3072669, 7169561, 21508683]

約数ペア:

[(1, 21508683), (3, 7169561), (7, 3072669), (21, 1024223), (97, 221739), (291, 73913), (679, 31677), (2037, 10559)]