21064442

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20611}}^1$

素因数の和:20693

約数の個数: 16

約数和(自身を含む): 36606912

約数和(自身を除く): 15542470

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20611, 41222, 144277, 288554, 1504603, 3009206, 10532221, 21064442]

約数ペア:

[(1, 21064442), (2, 10532221), (7, 3009206), (14, 1504603), (73, 288554), (146, 144277), (511, 41222), (1022, 20611)]