21830872

素因数分解:

$2^3\times 7^2\times {\mathrm{55691}}^1$

素因数の和:55711

約数の個数: 24

約数和(自身を含む): 47616660

約数和(自身を除く): 25785788

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55691, 111382, 222764, 389837, 445528, 779674, 1559348, 2728859, 3118696, 5457718, 10915436, 21830872]

約数ペア:

[(1, 21830872), (2, 10915436), (4, 5457718), (7, 3118696), (8, 2728859), (14, 1559348), (28, 779674), (49, 445528), (56, 389837), (98, 222764), (196, 111382), (392, 55691)]