21094881

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 28844928

約数和(自身を除く): 7750047

約数列:

[1, 3, 71, 97, 213, 291, 1021, 3063, 6887, 20661, 72491, 99037, 217473, 297111, 7031627, 21094881]

約数ペア:

[(1, 21094881), (3, 7031627), (71, 297111), (97, 217473), (213, 99037), (291, 72491), (1021, 20661), (3063, 6887)]