21171012

素因数分解:

$2^2\times 3^1\times {\mathrm{1764251}}^1$

素因数の和:1764258

約数の個数: 12

約数和(自身を含む): 49399056

約数和(自身を除く): 28228044

約数列:

[1, 2, 3, 4, 6, 12, 1764251, 3528502, 5292753, 7057004, 10585506, 21171012]

約数ペア:

[(1, 21171012), (2, 10585506), (3, 7057004), (4, 5292753), (6, 3528502), (12, 1764251)]