21991046

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142799}}^1$

素因数の和:142819

約数の個数: 16

約数和(自身を含む): 41126400

約数和(自身を除く): 19135354

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 142799, 285598, 999593, 1570789, 1999186, 3141578, 10995523, 21991046]

約数ペア:

[(1, 21991046), (2, 10995523), (7, 3141578), (11, 1999186), (14, 1570789), (22, 999593), (77, 285598), (154, 142799)]