21000739242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500017601}}^1$

素因数の和:500017613

約数の個数: 16

約数和(自身を含む): 48001689792

約数和(自身を除く): 27000950550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500017601, 1000035202, 1500052803, 3000105606, 3500123207, 7000246414, 10500369621, 21000739242]

約数ペア:

[(1, 21000739242), (2, 10500369621), (3, 7000246414), (6, 3500123207), (7, 3000105606), (14, 1500052803), (21, 1000035202), (42, 500017601)]