21002045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1933}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 26317872

約数和(自身を除く): 5315827

約数列:

[1, 5, 41, 53, 205, 265, 1933, 2173, 9665, 10865, 79253, 102449, 396265, 512245, 4200409, 21002045]

約数ペア:

[(1, 21002045), (5, 4200409), (41, 512245), (53, 396265), (205, 102449), (265, 79253), (1933, 10865), (2173, 9665)]