21082302

素因数分解:

$2^1\times 3^3\times {\mathrm{390413}}^1$

素因数の和:390424

約数の個数: 16

約数和(自身を含む): 46849680

約数和(自身を除く): 25767378

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390413, 780826, 1171239, 2342478, 3513717, 7027434, 10541151, 21082302]

約数ペア:

[(1, 21082302), (2, 10541151), (3, 7027434), (6, 3513717), (9, 2342478), (18, 1171239), (27, 780826), (54, 390413)]