21665566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6361}}^1$

素因数の和:6507

約数の個数: 16

約数和(自身を含む): 35270928

約数和(自身を除く): 13605362

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 6361, 12722, 82693, 165386, 833291, 1666582, 10832783, 21665566]

約数ペア:

[(1, 21665566), (2, 10832783), (13, 1666582), (26, 833291), (131, 165386), (262, 82693), (1703, 12722), (3406, 6361)]