21170199

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2711}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 29940480

約数和(自身を除く): 8770281

約数列:

[1, 3, 19, 57, 137, 411, 2603, 2711, 7809, 8133, 51509, 154527, 371407, 1114221, 7056733, 21170199]

約数ペア:

[(1, 21170199), (3, 7056733), (19, 1114221), (57, 371407), (137, 154527), (411, 51509), (2603, 8133), (2711, 7809)]