21311682

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{507421}}^1$

素因数の和:507433

約数の個数: 16

約数和(自身を含む): 48712512

約数和(自身を除く): 27400830

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 507421, 1014842, 1522263, 3044526, 3551947, 7103894, 10655841, 21311682]

約数ペア:

[(1, 21311682), (2, 10655841), (3, 7103894), (6, 3551947), (7, 3044526), (14, 1522263), (21, 1014842), (42, 507421)]