21444325

素因数分解:

$5^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{433}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 30567488

約数和(自身を除く): 9123163

約数列:

[1, 5, 7, 25, 35, 175, 283, 433, 1415, 1981, 2165, 3031, 7075, 9905, 10825, 15155, 49525, 75775, 122539, 612695, 857773, 3063475, 4288865, 21444325]

約数ペア:

[(1, 21444325), (5, 4288865), (7, 3063475), (25, 857773), (35, 612695), (175, 122539), (283, 75775), (433, 49525), (1415, 15155), (1981, 10825), (2165, 9905), (3031, 7075)]