21009646

素因数分解:

$2^1\times 7^1\times {\mathrm{1093}}^1\times {\mathrm{1373}}^1$

素因数の和:2475

約数の個数: 16

約数和(自身を含む): 36075744

約数和(自身を除く): 15066098

約数列:

[1, 2, 7, 14, 1093, 1373, 2186, 2746, 7651, 9611, 15302, 19222, 1500689, 3001378, 10504823, 21009646]

約数ペア:

[(1, 21009646), (2, 10504823), (7, 3001378), (14, 1500689), (1093, 19222), (1373, 15302), (2186, 9611), (2746, 7651)]