21342453

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34039}}^1$

素因数の和:34072

約数の個数: 16

約数和(自身を含む): 32678400

約数和(自身を除く): 11335947

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34039, 102117, 374429, 646741, 1123287, 1940223, 7114151, 21342453]

約数ペア:

[(1, 21342453), (3, 7114151), (11, 1940223), (19, 1123287), (33, 646741), (57, 374429), (209, 102117), (627, 34039)]