21712317

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{9013}}^1$

素因数の和:9100

約数の個数: 16

約数和(自身を含む): 32017728

約数和(自身を除く): 10305411

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 9013, 27039, 99143, 297429, 657949, 1973847, 7237439, 21712317]

約数ペア:

[(1, 21712317), (3, 7237439), (11, 1973847), (33, 657949), (73, 297429), (219, 99143), (803, 27039), (2409, 9013)]