21606704

素因数分解:

$2^4\times 7^1\times {\mathrm{192917}}^1$

素因数の和:192932

約数の個数: 20

約数和(自身を含む): 47843664

約数和(自身を除く): 26236960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192917, 385834, 771668, 1350419, 1543336, 2700838, 3086672, 5401676, 10803352, 21606704]

約数ペア:

[(1, 21606704), (2, 10803352), (4, 5401676), (7, 3086672), (8, 2700838), (14, 1543336), (16, 1350419), (28, 771668), (56, 385834), (112, 192917)]