21325842

素因数分解:

$2^1\times 3^4\times {\mathrm{131641}}^1$

素因数の和:131655

約数の個数: 20

約数和(自身を含む): 47786046

約数和(自身を除く): 26460204

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131641, 263282, 394923, 789846, 1184769, 2369538, 3554307, 7108614, 10662921, 21325842]

約数ペア:

[(1, 21325842), (2, 10662921), (3, 7108614), (6, 3554307), (9, 2369538), (18, 1184769), (27, 789846), (54, 394923), (81, 263282), (162, 131641)]