21286137

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10093}}^1$

素因数の和:10152

約数の個数: 16

約数和(自身を含む): 30685760

約数和(自身を除く): 9399623

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 10093, 30279, 191767, 373441, 575301, 1120323, 7095379, 21286137]

約数ペア:

[(1, 21286137), (3, 7095379), (19, 1120323), (37, 575301), (57, 373441), (111, 191767), (703, 30279), (2109, 10093)]