21015534

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{85429}}^1$

素因数の和:85475

約数の個数: 16

約数和(自身を含む): 43056720

約数和(自身を除く): 22041186

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 85429, 170858, 256287, 512574, 3502589, 7005178, 10507767, 21015534]

約数ペア:

[(1, 21015534), (2, 10507767), (3, 7005178), (6, 3502589), (41, 512574), (82, 256287), (123, 170858), (246, 85429)]