21251274

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2161}}^1$

素因数の和:2326

約数の個数: 32

約数和(自身を含む): 46699200

約数和(自身を除く): 25447926

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 149, 298, 447, 894, 1639, 2161, 3278, 4322, 4917, 6483, 9834, 12966, 23771, 47542, 71313, 142626, 321989, 643978, 965967, 1931934, 3541879, 7083758, 10625637, 21251274]

約数ペア:

[(1, 21251274), (2, 10625637), (3, 7083758), (6, 3541879), (11, 1931934), (22, 965967), (33, 643978), (66, 321989), (149, 142626), (298, 71313), (447, 47542), (894, 23771), (1639, 12966), (2161, 9834), (3278, 6483), (4322, 4917)]