21495258

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{9403}}^1$

素因数の和:9538

約数の個数: 24

約数和(自身を含む): 46944768

約数和(自身を除く): 25449510

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 381, 762, 1143, 2286, 9403, 18806, 28209, 56418, 84627, 169254, 1194181, 2388362, 3582543, 7165086, 10747629, 21495258]

約数ペア:

[(1, 21495258), (2, 10747629), (3, 7165086), (6, 3582543), (9, 2388362), (18, 1194181), (127, 169254), (254, 84627), (381, 56418), (762, 28209), (1143, 18806), (2286, 9403)]