21699351

素因数分解:

$3^2\times {\mathrm{313}}^1\times {\mathrm{7703}}^1$

素因数の和:8022

約数の個数: 12

約数和(自身を含む): 31447728

約数和(自身を除く): 9748377

約数列:

[1, 3, 9, 313, 939, 2817, 7703, 23109, 69327, 2411039, 7233117, 21699351]

約数ペア:

[(1, 21699351), (3, 7233117), (9, 2411039), (313, 69327), (939, 23109), (2817, 7703)]