21201372

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1801}}^1$

素因数の和:1923

約数の個数: 48

約数和(自身を含む): 55501600

約数和(自身を除く): 34300228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1801, 1962, 2943, 3602, 3924, 5403, 5886, 7204, 10806, 11772, 16209, 21612, 32418, 48627, 64836, 97254, 194508, 196309, 392618, 588927, 785236, 1177854, 1766781, 2355708, 3533562, 5300343, 7067124, 10600686, 21201372]

約数ペア:

[(1, 21201372), (2, 10600686), (3, 7067124), (4, 5300343), (6, 3533562), (9, 2355708), (12, 1766781), (18, 1177854), (27, 785236), (36, 588927), (54, 392618), (108, 196309), (109, 194508), (218, 97254), (327, 64836), (436, 48627), (654, 32418), (981, 21612), (1308, 16209), (1801, 11772), (1962, 10806), (2943, 7204), (3602, 5886), (3924, 5403)]