21518906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33311}}^1$

素因数の和:33349

約数の個数: 16

約数和(自身を含む): 35976960

約数和(自身を除く): 14458054

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33311, 66622, 566287, 632909, 1132574, 1265818, 10759453, 21518906]

約数ペア:

[(1, 21518906), (2, 10759453), (17, 1265818), (19, 1132574), (34, 632909), (38, 566287), (323, 66622), (646, 33311)]