16804221

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4421}}^1$

素因数の和:4612

約数の個数: 16

約数和(自身を含む): 25753728

約数和(自身を除く): 8949507

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 4421, 13263, 30947, 92841, 800201, 2400603, 5601407, 16804221]

約数ペア:

[(1, 16804221), (3, 5601407), (7, 2400603), (21, 800201), (181, 92841), (543, 30947), (1267, 13263), (3801, 4421)]