21589956

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4649}}^1$

素因数の和:4705

約数の個数: 48

約数和(自身を含む): 57288000

約数和(自身を除く): 35698044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4644, 4649, 9298, 13947, 18596, 27894, 41841, 55788, 83682, 125523, 167364, 199907, 251046, 399814, 502092, 599721, 799628, 1199442, 1799163, 2398884, 3598326, 5397489, 7196652, 10794978, 21589956]

約数ペア:

[(1, 21589956), (2, 10794978), (3, 7196652), (4, 5397489), (6, 3598326), (9, 2398884), (12, 1799163), (18, 1199442), (27, 799628), (36, 599721), (43, 502092), (54, 399814), (86, 251046), (108, 199907), (129, 167364), (172, 125523), (258, 83682), (387, 55788), (516, 41841), (774, 27894), (1161, 18596), (1548, 13947), (2322, 9298), (4644, 4649)]