21428896

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16333}}^1$

素因数の和:16384

約数の個数: 24

約数和(自身を含む): 43219764

約数和(自身を除く): 21790868

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16333, 32666, 65332, 130664, 261328, 522656, 669653, 1339306, 2678612, 5357224, 10714448, 21428896]

約数ペア:

[(1, 21428896), (2, 10714448), (4, 5357224), (8, 2678612), (16, 1339306), (32, 669653), (41, 522656), (82, 261328), (164, 130664), (328, 65332), (656, 32666), (1312, 16333)]