21715064

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1609}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 46754400

約数和(自身を除く): 25039336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1609, 1687, 1928, 3218, 3374, 6436, 6748, 11263, 12872, 13496, 22526, 45052, 90104, 387769, 775538, 1551076, 2714383, 3102152, 5428766, 10857532, 21715064]

約数ペア:

[(1, 21715064), (2, 10857532), (4, 5428766), (7, 3102152), (8, 2714383), (14, 1551076), (28, 775538), (56, 387769), (241, 90104), (482, 45052), (964, 22526), (1609, 13496), (1687, 12872), (1928, 11263), (3218, 6748), (3374, 6436)]