21884418

素因数分解:

$2^1\times 3^4\times {\mathrm{135089}}^1$

素因数の和:135103

約数の個数: 20

約数和(自身を含む): 49037670

約数和(自身を除く): 27153252

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135089, 270178, 405267, 810534, 1215801, 2431602, 3647403, 7294806, 10942209, 21884418]

約数ペア:

[(1, 21884418), (2, 10942209), (3, 7294806), (6, 3647403), (9, 2431602), (18, 1215801), (27, 810534), (54, 405267), (81, 270178), (162, 135089)]