21608272

素因数分解:

$2^4\times 7^1\times {\mathrm{192931}}^1$

素因数の和:192946

約数の個数: 20

約数和(自身を含む): 47847136

約数和(自身を除く): 26238864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192931, 385862, 771724, 1350517, 1543448, 2701034, 3086896, 5402068, 10804136, 21608272]

約数ペア:

[(1, 21608272), (2, 10804136), (4, 5402068), (7, 3086896), (8, 2701034), (14, 1543448), (16, 1350517), (28, 771724), (56, 385862), (112, 192931)]