21044936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239147}}^1$

素因数の和:239164

約数の個数: 16

約数和(自身を含む): 43046640

約数和(自身を除く): 22001704

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239147, 478294, 956588, 1913176, 2630617, 5261234, 10522468, 21044936]

約数ペア:

[(1, 21044936), (2, 10522468), (4, 5261234), (8, 2630617), (11, 1913176), (22, 956588), (44, 478294), (88, 239147)]