21123619

素因数分解:

${\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 23607936

約数和(自身を除く): 2484317

約数列:

[1, 11, 107, 131, 137, 1177, 1441, 1507, 14017, 14659, 17947, 154187, 161249, 197417, 1920329, 21123619]

約数ペア:

[(1, 21123619), (11, 1920329), (107, 197417), (131, 161249), (137, 154187), (1177, 17947), (1441, 14659), (1507, 14017)]