21043814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{1699}}^1$

素因数の和:2275

約数の個数: 16

約数和(自身を含む): 34516800

約数和(自身を除く): 13472986

約数列:

[1, 2, 11, 22, 563, 1126, 1699, 3398, 6193, 12386, 18689, 37378, 956537, 1913074, 10521907, 21043814]

約数ペア:

[(1, 21043814), (2, 10521907), (11, 1913074), (22, 956537), (563, 37378), (1126, 18689), (1699, 12386), (3398, 6193)]