21150206

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137339}}^1$

素因数の和:137359

約数の個数: 16

約数和(自身を含む): 39553920

約数和(自身を除く): 18403714

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137339, 274678, 961373, 1510729, 1922746, 3021458, 10575103, 21150206]

約数ペア:

[(1, 21150206), (2, 10575103), (7, 3021458), (11, 1922746), (14, 1510729), (22, 961373), (77, 274678), (154, 137339)]