21333762

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 36

約数和(自身を含む): 47396934

約数和(自身を除く): 26063172

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 641, 774, 1282, 1849, 1923, 3698, 3846, 5547, 5769, 11094, 11538, 16641, 27563, 33282, 55126, 82689, 165378, 248067, 496134, 1185209, 2370418, 3555627, 7111254, 10666881, 21333762]

約数ペア:

[(1, 21333762), (2, 10666881), (3, 7111254), (6, 3555627), (9, 2370418), (18, 1185209), (43, 496134), (86, 248067), (129, 165378), (258, 82689), (387, 55126), (641, 33282), (774, 27563), (1282, 16641), (1849, 11538), (1923, 11094), (3698, 5769), (3846, 5547)]