21140406

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55927}}^1$

素因数の和:55945

約数の個数: 32

約数和(自身を含む): 53690880

約数和(自身を除く): 32550474

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55927, 111854, 167781, 335562, 391489, 503343, 782978, 1006686, 1174467, 1510029, 2348934, 3020058, 3523401, 7046802, 10570203, 21140406]

約数ペア:

[(1, 21140406), (2, 10570203), (3, 7046802), (6, 3523401), (7, 3020058), (9, 2348934), (14, 1510029), (18, 1174467), (21, 1006686), (27, 782978), (42, 503343), (54, 391489), (63, 335562), (126, 167781), (189, 111854), (378, 55927)]