21023313

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 28771200

約数和(自身を除く): 7747887

約数列:

[1, 3, 71, 89, 213, 267, 1109, 3327, 6319, 18957, 78739, 98701, 236217, 296103, 7007771, 21023313]

約数ペア:

[(1, 21023313), (3, 7007771), (71, 296103), (89, 236217), (213, 98701), (267, 78739), (1109, 18957), (3327, 6319)]