21412204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{486641}}^1$

素因数の和:486656

約数の個数: 12

約数和(自身を含む): 40877928

約数和(自身を除く): 19465724

約数列:

[1, 2, 4, 11, 22, 44, 486641, 973282, 1946564, 5353051, 10706102, 21412204]

約数ペア:

[(1, 21412204), (2, 10706102), (4, 5353051), (11, 1946564), (22, 973282), (44, 486641)]