21159612

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13669}}^1$

素因数の和:13722

約数の個数: 36

約数和(自身を含む): 54734680

約数和(自身を除く): 33575068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13669, 27338, 41007, 54676, 82014, 123021, 164028, 246042, 492084, 587767, 1175534, 1763301, 2351068, 3526602, 5289903, 7053204, 10579806, 21159612]

約数ペア:

[(1, 21159612), (2, 10579806), (3, 7053204), (4, 5289903), (6, 3526602), (9, 2351068), (12, 1763301), (18, 1175534), (36, 587767), (43, 492084), (86, 246042), (129, 164028), (172, 123021), (258, 82014), (387, 54676), (516, 41007), (774, 27338), (1548, 13669)]