21276700

素因数分解:

$2^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{809}}^1$

素因数の和:1086

約数の個数: 36

約数和(自身を含む): 46403280

約数和(自身を除く): 25126580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 263, 526, 809, 1052, 1315, 1618, 2630, 3236, 4045, 5260, 6575, 8090, 13150, 16180, 20225, 26300, 40450, 80900, 212767, 425534, 851068, 1063835, 2127670, 4255340, 5319175, 10638350, 21276700]

約数ペア:

[(1, 21276700), (2, 10638350), (4, 5319175), (5, 4255340), (10, 2127670), (20, 1063835), (25, 851068), (50, 425534), (100, 212767), (263, 80900), (526, 40450), (809, 26300), (1052, 20225), (1315, 16180), (1618, 13150), (2630, 8090), (3236, 6575), (4045, 5260)]