21835225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 29060640

約数和(自身を除く): 7225415

約数列:

[1, 5, 17, 25, 83, 85, 415, 425, 619, 1411, 2075, 3095, 7055, 10523, 15475, 35275, 51377, 52615, 256885, 263075, 873409, 1284425, 4367045, 21835225]

約数ペア:

[(1, 21835225), (5, 4367045), (17, 1284425), (25, 873409), (83, 263075), (85, 256885), (415, 52615), (425, 51377), (619, 35275), (1411, 15475), (2075, 10523), (3095, 7055)]