21066453

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{25169}}^1$

素因数の和:25209

約数の個数: 16

約数和(自身を含む): 32217600

約数和(自身を除く): 11151147

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 25169, 75507, 226521, 679563, 780239, 2340717, 7022151, 21066453]

約数ペア:

[(1, 21066453), (3, 7022151), (9, 2340717), (27, 780239), (31, 679563), (93, 226521), (279, 75507), (837, 25169)]