21342651

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4937}}^1$

素因数の和:5082

約数の個数: 16

約数和(自身を含む): 31287168

約数和(自身を除く): 9944517

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4937, 14811, 54307, 162921, 646747, 1940241, 7114217, 21342651]

約数ペア:

[(1, 21342651), (3, 7114217), (11, 1940241), (33, 646747), (131, 162921), (393, 54307), (1441, 14811), (4323, 4937)]