21911283

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47737}}^1$

素因数の和:47763

約数の個数: 16

約数和(自身を含む): 34371360

約数和(自身を除く): 12460077

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47737, 143211, 429633, 811529, 1288899, 2434587, 7303761, 21911283]

約数ペア:

[(1, 21911283), (3, 7303761), (9, 2434587), (17, 1288899), (27, 811529), (51, 429633), (153, 143211), (459, 47737)]