21528500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{6151}}^1$

素因数の和:6177

約数の個数: 48

約数和(自身を含む): 53743872

約数和(自身を除く): 32215372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 6151, 12302, 24604, 30755, 43057, 61510, 86114, 123020, 153775, 172228, 215285, 307550, 430570, 615100, 768875, 861140, 1076425, 1537750, 2152850, 3075500, 4305700, 5382125, 10764250, 21528500]

約数ペア:

[(1, 21528500), (2, 10764250), (4, 5382125), (5, 4305700), (7, 3075500), (10, 2152850), (14, 1537750), (20, 1076425), (25, 861140), (28, 768875), (35, 615100), (50, 430570), (70, 307550), (100, 215285), (125, 172228), (140, 153775), (175, 123020), (250, 86114), (350, 61510), (500, 43057), (700, 30755), (875, 24604), (1750, 12302), (3500, 6151)]