21830851

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2719}}^1$

素因数の和:2794

約数の個数: 16

約数和(自身を含む): 26460160

約数和(自身を除く): 4629309

約数列:

[1, 7, 31, 37, 217, 259, 1147, 2719, 8029, 19033, 84289, 100603, 590023, 704221, 3118693, 21830851]

約数ペア:

[(1, 21830851), (7, 3118693), (31, 704221), (37, 590023), (217, 100603), (259, 84289), (1147, 19033), (2719, 8029)]