21046936

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49639}}^1$

素因数の和:49698

約数の個数: 16

約数和(自身を含む): 40208400

約数和(自身を除く): 19161464

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49639, 99278, 198556, 397112, 2630867, 5261734, 10523468, 21046936]

約数ペア:

[(1, 21046936), (2, 10523468), (4, 5261734), (8, 2630867), (53, 397112), (106, 198556), (212, 99278), (424, 49639)]