21325766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12589}}^1$

素因数の和:12620

約数の個数: 24

約数和(自身を含む): 40187280

約数和(自身を除く): 18861514

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12589, 25178, 88123, 138479, 176246, 276958, 969353, 1523269, 1938706, 3046538, 10662883, 21325766]

約数ペア:

[(1, 21325766), (2, 10662883), (7, 3046538), (11, 1938706), (14, 1523269), (22, 969353), (77, 276958), (121, 176246), (154, 138479), (242, 88123), (847, 25178), (1694, 12589)]