21969864

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43591}}^1$

素因数の和:43610

約数の個数: 48

約数和(自身を含む): 68003520

約数和(自身を除く): 46033656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43591, 87182, 130773, 174364, 261546, 305137, 348728, 392319, 523092, 610274, 784638, 915411, 1046184, 1220548, 1569276, 1830822, 2441096, 2746233, 3138552, 3661644, 5492466, 7323288, 10984932, 21969864]

約数ペア:

[(1, 21969864), (2, 10984932), (3, 7323288), (4, 5492466), (6, 3661644), (7, 3138552), (8, 2746233), (9, 2441096), (12, 1830822), (14, 1569276), (18, 1220548), (21, 1046184), (24, 915411), (28, 784638), (36, 610274), (42, 523092), (56, 392319), (63, 348728), (72, 305137), (84, 261546), (126, 174364), (168, 130773), (252, 87182), (504, 43591)]