21048057

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2927}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 32887296

約数和(自身を除く): 11839239

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2927, 7191, 8781, 26343, 49759, 137569, 149277, 412707, 447831, 1238121, 2338673, 7016019, 21048057]

約数ペア:

[(1, 21048057), (3, 7016019), (9, 2338673), (17, 1238121), (47, 447831), (51, 412707), (141, 149277), (153, 137569), (423, 49759), (799, 26343), (2397, 8781), (2927, 7191)]