21552272

素因数分解:

$2^4\times 7^1\times {\mathrm{192431}}^1$

素因数の和:192446

約数の個数: 20

約数和(自身を含む): 47723136

約数和(自身を除く): 26170864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192431, 384862, 769724, 1347017, 1539448, 2694034, 3078896, 5388068, 10776136, 21552272]

約数ペア:

[(1, 21552272), (2, 10776136), (4, 5388068), (7, 3078896), (8, 2694034), (14, 1539448), (16, 1347017), (28, 769724), (56, 384862), (112, 192431)]