21612052

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6379}}^1$

素因数の和:6412

約数の個数: 36

約数和(自身を含む): 47518240

約数和(自身を除く): 25906188

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6379, 12758, 25516, 44653, 70169, 89306, 140338, 178612, 280676, 491183, 771859, 982366, 1543718, 1964732, 3087436, 5403013, 10806026, 21612052]

約数ペア:

[(1, 21612052), (2, 10806026), (4, 5403013), (7, 3087436), (11, 1964732), (14, 1543718), (22, 982366), (28, 771859), (44, 491183), (77, 280676), (121, 178612), (154, 140338), (242, 89306), (308, 70169), (484, 44653), (847, 25516), (1694, 12758), (3388, 6379)]