21982026

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4691}}^1$

素因数の和:4778

約数の個数: 32

約数和(自身を含む): 48646656

約数和(自身を除く): 26664630

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4686, 4691, 9382, 14073, 28146, 51601, 103202, 154803, 309606, 333061, 666122, 999183, 1998366, 3663671, 7327342, 10991013, 21982026]

約数ペア:

[(1, 21982026), (2, 10991013), (3, 7327342), (6, 3663671), (11, 1998366), (22, 999183), (33, 666122), (66, 333061), (71, 309606), (142, 154803), (213, 103202), (426, 51601), (781, 28146), (1562, 14073), (2343, 9382), (4686, 4691)]