21111433

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4327}}^1$

素因数の和:4392

約数の個数: 16

約数和(自身を含む): 26175744

約数和(自身を除く): 5064311

約数列:

[1, 7, 17, 41, 119, 287, 697, 4327, 4879, 30289, 73559, 177407, 514913, 1241849, 3015919, 21111433]

約数ペア:

[(1, 21111433), (7, 3015919), (17, 1241849), (41, 514913), (119, 177407), (287, 73559), (697, 30289), (4327, 4879)]