21611478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13907}}^1$

素因数の和:13956

約数の個数: 32

約数和(自身を含む): 50736384

約数和(自身を除く): 29124906

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13907, 27814, 41721, 83442, 97349, 194698, 292047, 514559, 584094, 1029118, 1543677, 3087354, 3601913, 7203826, 10805739, 21611478]

約数ペア:

[(1, 21611478), (2, 10805739), (3, 7203826), (6, 3601913), (7, 3087354), (14, 1543677), (21, 1029118), (37, 584094), (42, 514559), (74, 292047), (111, 194698), (222, 97349), (259, 83442), (518, 41721), (777, 27814), (1554, 13907)]