21031233

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5507}}^1$

素因数の和:5596

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 8932287

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5507, 16521, 104633, 313899, 368969, 1106907, 7010411, 21031233]

約数ペア:

[(1, 21031233), (3, 7010411), (19, 1106907), (57, 368969), (67, 313899), (201, 104633), (1273, 16521), (3819, 5507)]