21147214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3547}}^1$

素因数の和:3831

約数の個数: 16

約数和(自身を含む): 34742016

約数和(自身を除く): 13594802

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3547, 5962, 7094, 39017, 78034, 961237, 1922474, 10573607, 21147214]

約数ペア:

[(1, 21147214), (2, 10573607), (11, 1922474), (22, 961237), (271, 78034), (542, 39017), (2981, 7094), (3547, 5962)]