21847306

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{593}}^1$

素因数の和:730

約数の個数: 24

約数和(自身を含む): 35871660

約数和(自身を除く): 14024354

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 593, 1186, 1417, 2834, 7709, 15418, 18421, 36842, 64637, 100217, 129274, 200434, 840281, 1680562, 10923653, 21847306]

約数ペア:

[(1, 21847306), (2, 10923653), (13, 1680562), (26, 840281), (109, 200434), (169, 129274), (218, 100217), (338, 64637), (593, 36842), (1186, 18421), (1417, 15418), (2834, 7709)]