21100442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1451}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 34604064

約数和(自身を除く): 13503622

約数列:

[1, 2, 11, 22, 661, 1322, 1451, 2902, 7271, 14542, 15961, 31922, 959111, 1918222, 10550221, 21100442]

約数ペア:

[(1, 21100442), (2, 10550221), (11, 1918222), (22, 959111), (661, 31922), (1322, 15961), (1451, 14542), (2902, 7271)]