21828081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28759}}^1$

素因数の和:28796

約数の個数: 16

約数和(自身を含む): 33131520

約数和(自身を除く): 11303439

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28759, 86277, 316349, 661457, 949047, 1984371, 7276027, 21828081]

約数ペア:

[(1, 21828081), (3, 7276027), (11, 1984371), (23, 949047), (33, 661457), (69, 316349), (253, 86277), (759, 28759)]