21188074

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1365

約数の個数: 16

約数和(自身を含む): 32487840

約数和(自身を除く): 11299766

約数列:

[1, 2, 83, 109, 166, 218, 1171, 2342, 9047, 18094, 97193, 127639, 194386, 255278, 10594037, 21188074]

約数ペア:

[(1, 21188074), (2, 10594037), (83, 255278), (109, 194386), (166, 127639), (218, 97193), (1171, 18094), (2342, 9047)]