21756822

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5657}}^1$

素因数の和:6303

約数の個数: 16

約数和(自身を含む): 43589232

約数和(自身を除く): 21832410

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5657, 11314, 16971, 33942, 3626137, 7252274, 10878411, 21756822]

約数ペア:

[(1, 21756822), (2, 10878411), (3, 7252274), (6, 3626137), (641, 33942), (1282, 16971), (1923, 11314), (3846, 5657)]