21046377

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 31698688

約数和(自身を除く): 10652311

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1567, 4477, 4701, 13431, 17237, 51711, 57979, 173937, 189607, 568821, 637769, 1913307, 7015459, 21046377]

約数ペア:

[(1, 21046377), (3, 7015459), (11, 1913307), (33, 637769), (37, 568821), (111, 189607), (121, 173937), (363, 57979), (407, 51711), (1221, 17237), (1567, 13431), (4477, 4701)]