21044782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2179}}^1$

素因数の和:2631

約数の個数: 16

約数和(自身を含む): 34531200

約数和(自身を除く): 13486418

約数列:

[1, 2, 11, 22, 439, 878, 2179, 4358, 4829, 9658, 23969, 47938, 956581, 1913162, 10522391, 21044782]

約数ペア:

[(1, 21044782), (2, 10522391), (11, 1913162), (22, 956581), (439, 47938), (878, 23969), (2179, 9658), (4358, 4829)]