21493318

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{599}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 18941882

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 233, 466, 599, 1198, 1631, 2563, 3262, 4193, 5126, 6589, 8386, 13178, 17941, 35882, 46123, 92246, 139567, 279134, 976969, 1535237, 1953938, 3070474, 10746659, 21493318]

約数ペア:

[(1, 21493318), (2, 10746659), (7, 3070474), (11, 1953938), (14, 1535237), (22, 976969), (77, 279134), (154, 139567), (233, 92246), (466, 46123), (599, 35882), (1198, 17941), (1631, 13178), (2563, 8386), (3262, 6589), (4193, 5126)]