21898975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{433}}^1$

素因数の和:484

約数の個数: 36

約数和(自身を含む): 33043024

約数和(自身を除く): 11144049

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 289, 425, 433, 595, 1445, 2023, 2165, 2975, 3031, 7225, 7361, 10115, 10825, 15155, 36805, 50575, 51527, 75775, 125137, 184025, 257635, 625685, 875959, 1288175, 3128425, 4379795, 21898975]

約数ペア:

[(1, 21898975), (5, 4379795), (7, 3128425), (17, 1288175), (25, 875959), (35, 625685), (85, 257635), (119, 184025), (175, 125137), (289, 75775), (425, 51527), (433, 50575), (595, 36805), (1445, 15155), (2023, 10825), (2165, 10115), (2975, 7361), (3031, 7225)]