21787212

素因数分解:

$2^2\times 3^1\times {\mathrm{983}}^1\times {\mathrm{1847}}^1$

素因数の和:2837

約数の個数: 24

約数和(自身を含む): 50916096

約数和(自身を除く): 29128884

約数列:

[1, 2, 3, 4, 6, 12, 983, 1847, 1966, 2949, 3694, 3932, 5541, 5898, 7388, 11082, 11796, 22164, 1815601, 3631202, 5446803, 7262404, 10893606, 21787212]

約数ペア:

[(1, 21787212), (2, 10893606), (3, 7262404), (4, 5446803), (6, 3631202), (12, 1815601), (983, 22164), (1847, 11796), (1966, 11082), (2949, 7388), (3694, 5898), (3932, 5541)]