21089373

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6271}}^1$

素因数の和:6352

約数の個数: 16

約数和(自身を含む): 30105600

約数和(自身を除く): 9016227

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6271, 18813, 119149, 357447, 369989, 1109967, 7029791, 21089373]

約数ペア:

[(1, 21089373), (3, 7029791), (19, 1109967), (57, 369989), (59, 357447), (177, 119149), (1121, 18813), (3363, 6271)]