21284043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15731}}^1$

素因数の和:15786

約数の個数: 16

約数和(自身を含む): 31715712

約数和(自身を除く): 10431669

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15731, 47193, 173041, 519123, 644971, 1934913, 7094681, 21284043]

約数ペア:

[(1, 21284043), (3, 7094681), (11, 1934913), (33, 644971), (41, 519123), (123, 173041), (451, 47193), (1353, 15731)]