21827375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{4259}}^1$

素因数の和:4315

約数の個数: 16

約数和(自身を含む): 27911520

約数和(自身を除く): 6084145

約数列:

[1, 5, 25, 41, 125, 205, 1025, 4259, 5125, 21295, 106475, 174619, 532375, 873095, 4365475, 21827375]

約数ペア:

[(1, 21827375), (5, 4365475), (25, 873095), (41, 532375), (125, 174619), (205, 106475), (1025, 21295), (4259, 5125)]