21787024

素因数分解:

$2^4\times 7^1\times {\mathrm{194527}}^1$

素因数の和:194542

約数の個数: 20

約数和(自身を含む): 48242944

約数和(自身を除く): 26455920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194527, 389054, 778108, 1361689, 1556216, 2723378, 3112432, 5446756, 10893512, 21787024]

約数ペア:

[(1, 21787024), (2, 10893512), (4, 5446756), (7, 3112432), (8, 2723378), (14, 1556216), (16, 1361689), (28, 778108), (56, 389054), (112, 194527)]