21342350

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3361}}^1$

素因数の和:3500

約数の個数: 24

約数和(自身を含む): 40021248

約数和(自身を除く): 18678898

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 635, 1270, 3175, 3361, 6350, 6722, 16805, 33610, 84025, 168050, 426847, 853694, 2134235, 4268470, 10671175, 21342350]

約数ペア:

[(1, 21342350), (2, 10671175), (5, 4268470), (10, 2134235), (25, 853694), (50, 426847), (127, 168050), (254, 84025), (635, 33610), (1270, 16805), (3175, 6722), (3361, 6350)]