21404600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15289}}^1$

素因数の和:15312

約数の個数: 48

約数和(自身を含む): 56878800

約数和(自身を除く): 35474200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15289, 30578, 61156, 76445, 107023, 122312, 152890, 214046, 305780, 382225, 428092, 535115, 611560, 764450, 856184, 1070230, 1528900, 2140460, 2675575, 3057800, 4280920, 5351150, 10702300, 21404600]

約数ペア:

[(1, 21404600), (2, 10702300), (4, 5351150), (5, 4280920), (7, 3057800), (8, 2675575), (10, 2140460), (14, 1528900), (20, 1070230), (25, 856184), (28, 764450), (35, 611560), (40, 535115), (50, 428092), (56, 382225), (70, 305780), (100, 214046), (140, 152890), (175, 122312), (200, 107023), (280, 76445), (350, 61156), (700, 30578), (1400, 15289)]