21092183

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 25933824

約数和(自身を除く): 4841641

約数列:

[1, 7, 31, 37, 71, 217, 259, 497, 1147, 1369, 2201, 2627, 8029, 9583, 15407, 18389, 42439, 81437, 97199, 297073, 570059, 680393, 3013169, 21092183]

約数ペア:

[(1, 21092183), (7, 3013169), (31, 680393), (37, 570059), (71, 297073), (217, 97199), (259, 81437), (497, 42439), (1147, 18389), (1369, 15407), (2201, 9583), (2627, 8029)]