21911694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521707}}^1$

素因数の和:521719

約数の個数: 16

約数和(自身を含む): 50083968

約数和(自身を除く): 28172274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521707, 1043414, 1565121, 3130242, 3651949, 7303898, 10955847, 21911694]

約数ペア:

[(1, 21911694), (2, 10955847), (3, 7303898), (6, 3651949), (7, 3130242), (14, 1565121), (21, 1043414), (42, 521707)]