21787842

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{84449}}^1$

素因数の和:84497

約数の個数: 16

約数和(自身を含む): 44589600

約数和(自身を除く): 22801758

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 84449, 168898, 253347, 506694, 3631307, 7262614, 10893921, 21787842]

約数ペア:

[(1, 21787842), (2, 10893921), (3, 7262614), (6, 3631307), (43, 506694), (86, 253347), (129, 168898), (258, 84449)]