21142518

素因数分解:

$2^1\times 3^1\times {\mathrm{1571}}^1\times {\mathrm{2243}}^1$

素因数の和:3819

約数の個数: 16

約数和(自身を含む): 42330816

約数和(自身を除く): 21188298

約数列:

[1, 2, 3, 6, 1571, 2243, 3142, 4486, 4713, 6729, 9426, 13458, 3523753, 7047506, 10571259, 21142518]

約数ペア:

[(1, 21142518), (2, 10571259), (3, 7047506), (6, 3523753), (1571, 13458), (2243, 9426), (3142, 6729), (4486, 4713)]