21241668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252877}}^1$

素因数の和:252891

約数の個数: 24

約数和(自身を含む): 56644672

約数和(自身を除く): 35403004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252877, 505754, 758631, 1011508, 1517262, 1770139, 3034524, 3540278, 5310417, 7080556, 10620834, 21241668]

約数ペア:

[(1, 21241668), (2, 10620834), (3, 7080556), (4, 5310417), (6, 3540278), (7, 3034524), (12, 1770139), (14, 1517262), (21, 1011508), (28, 758631), (42, 505754), (84, 252877)]