21162222

素因数分解:

$2^1\times 3^4\times {\mathrm{130631}}^1$

素因数の和:130645

約数の個数: 20

約数和(自身を含む): 47419416

約数和(自身を除く): 26257194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130631, 261262, 391893, 783786, 1175679, 2351358, 3527037, 7054074, 10581111, 21162222]

約数ペア:

[(1, 21162222), (2, 10581111), (3, 7054074), (6, 3527037), (9, 2351358), (18, 1175679), (27, 783786), (54, 391893), (81, 261262), (162, 130631)]