21176848

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17189}}^1$

素因数の和:17215

約数の個数: 40

約数和(自身を含む): 51157440

約数和(自身を除く): 29980592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17189, 34378, 68756, 120323, 137512, 189079, 240646, 275024, 378158, 481292, 756316, 962584, 1323553, 1512632, 1925168, 2647106, 3025264, 5294212, 10588424, 21176848]

約数ペア:

[(1, 21176848), (2, 10588424), (4, 5294212), (7, 3025264), (8, 2647106), (11, 1925168), (14, 1512632), (16, 1323553), (22, 962584), (28, 756316), (44, 481292), (56, 378158), (77, 275024), (88, 240646), (112, 189079), (154, 137512), (176, 120323), (308, 68756), (616, 34378), (1232, 17189)]