21044600

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 49345800

約数和(自身を除く): 28301200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 757, 1112, 1390, 1514, 2780, 3028, 3475, 3785, 5560, 6056, 6950, 7570, 13900, 15140, 18925, 27800, 30280, 37850, 75700, 105223, 151400, 210446, 420892, 526115, 841784, 1052230, 2104460, 2630575, 4208920, 5261150, 10522300, 21044600]

約数ペア:

[(1, 21044600), (2, 10522300), (4, 5261150), (5, 4208920), (8, 2630575), (10, 2104460), (20, 1052230), (25, 841784), (40, 526115), (50, 420892), (100, 210446), (139, 151400), (200, 105223), (278, 75700), (556, 37850), (695, 30280), (757, 27800), (1112, 18925), (1390, 15140), (1514, 13900), (2780, 7570), (3028, 6950), (3475, 6056), (3785, 5560)]