21560242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7481}}^1$

素因数の和:7625

約数の個数: 16

約数和(自身を含む): 35554464

約数和(自身を除く): 13994222

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7481, 14962, 82291, 164582, 980011, 1960022, 10780121, 21560242]

約数ペア:

[(1, 21560242), (2, 10780121), (11, 1960022), (22, 980011), (131, 164582), (262, 82291), (1441, 14962), (2882, 7481)]