21861812

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{7297}}^1$

素因数の和:7415

約数の個数: 24

約数和(自身を含む): 44138304

約数和(自身を除く): 22276492

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 7297, 14594, 29188, 51079, 102158, 204316, 780779, 1561558, 3123116, 5465453, 10930906, 21861812]

約数ペア:

[(1, 21861812), (2, 10930906), (4, 5465453), (7, 3123116), (14, 1561558), (28, 780779), (107, 204316), (214, 102158), (428, 51079), (749, 29188), (1498, 14594), (2996, 7297)]