21322147

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4133}}^1$

素因数の和:4218

約数の個数: 16

約数和(自身を含む): 26986752

約数和(自身を除く): 5664605

約数列:

[1, 7, 11, 67, 77, 469, 737, 4133, 5159, 28931, 45463, 276911, 318241, 1938377, 3046021, 21322147]

約数ペア:

[(1, 21322147), (7, 3046021), (11, 1938377), (67, 318241), (77, 276911), (469, 45463), (737, 28931), (4133, 5159)]