21282279

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 28987392

約数和(自身を除く): 7705113

約数列:

[1, 3, 83, 127, 249, 381, 673, 2019, 10541, 31623, 55859, 85471, 167577, 256413, 7094093, 21282279]

約数ペア:

[(1, 21282279), (3, 7094093), (83, 256413), (127, 167577), (249, 85471), (381, 55859), (673, 31623), (2019, 10541)]