21609918

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109141}}^1$

素因数の和:109160

約数の個数: 24

約数和(自身を含む): 51078456

約数和(自身を除く): 29468538

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 109141, 218282, 327423, 654846, 982269, 1200551, 1964538, 2401102, 3601653, 7203306, 10804959, 21609918]

約数ペア:

[(1, 21609918), (2, 10804959), (3, 7203306), (6, 3601653), (9, 2401102), (11, 1964538), (18, 1200551), (22, 982269), (33, 654846), (66, 327423), (99, 218282), (198, 109141)]