21371224

素因数分解:

$2^3\times 7^1\times {\mathrm{381629}}^1$

素因数の和:381642

約数の個数: 16

約数和(自身を含む): 45795600

約数和(自身を除く): 24424376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 381629, 763258, 1526516, 2671403, 3053032, 5342806, 10685612, 21371224]

約数ペア:

[(1, 21371224), (2, 10685612), (4, 5342806), (7, 3053032), (8, 2671403), (14, 1526516), (28, 763258), (56, 381629)]