21257442

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25127}}^1$

素因数の和:25182

約数の個数: 24

約数和(自身を含む): 47039616

約数和(自身を除く): 25782174

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25127, 50254, 75381, 150762, 226143, 452286, 1180969, 2361938, 3542907, 7085814, 10628721, 21257442]

約数ペア:

[(1, 21257442), (2, 10628721), (3, 7085814), (6, 3542907), (9, 2361938), (18, 1180969), (47, 452286), (94, 226143), (141, 150762), (282, 75381), (423, 50254), (846, 25127)]