21179736

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6841}}^1$

素因数の和:6896

約数の個数: 48

約数和(自身を含む): 58704360

約数和(自身を除く): 37524624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6841, 13682, 20523, 27364, 41046, 54728, 61569, 82092, 123138, 164184, 246276, 294163, 492552, 588326, 882489, 1176652, 1764978, 2353304, 2647467, 3529956, 5294934, 7059912, 10589868, 21179736]

約数ペア:

[(1, 21179736), (2, 10589868), (3, 7059912), (4, 5294934), (6, 3529956), (8, 2647467), (9, 2353304), (12, 1764978), (18, 1176652), (24, 882489), (36, 588326), (43, 492552), (72, 294163), (86, 246276), (129, 164184), (172, 123138), (258, 82092), (344, 61569), (387, 54728), (516, 41046), (774, 27364), (1032, 20523), (1548, 13682), (3096, 6841)]