21235242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505601}}^1$

素因数の和:505613

約数の個数: 16

約数和(自身を含む): 48537792

約数和(自身を除く): 27302550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505601, 1011202, 1516803, 3033606, 3539207, 7078414, 10617621, 21235242]

約数ペア:

[(1, 21235242), (2, 10617621), (3, 7078414), (6, 3539207), (7, 3033606), (14, 1516803), (21, 1011202), (42, 505601)]