21878346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{520913}}^1$

素因数の和:520925

約数の個数: 16

約数和(自身を含む): 50007744

約数和(自身を除く): 28129398

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 520913, 1041826, 1562739, 3125478, 3646391, 7292782, 10939173, 21878346]

約数ペア:

[(1, 21878346), (2, 10939173), (3, 7292782), (6, 3646391), (7, 3125478), (14, 1562739), (21, 1041826), (42, 520913)]