21551454

素因数分解:

$2^1\times 3^3\times {\mathrm{399101}}^1$

素因数の和:399112

約数の個数: 16

約数和(自身を含む): 47892240

約数和(自身を除く): 26340786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399101, 798202, 1197303, 2394606, 3591909, 7183818, 10775727, 21551454]

約数ペア:

[(1, 21551454), (2, 10775727), (3, 7183818), (6, 3591909), (9, 2394606), (18, 1197303), (27, 798202), (54, 399101)]