21958340

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2351}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 46230912

約数和(自身を除く): 24272572

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2335, 2351, 4670, 4702, 9340, 9404, 11755, 23510, 47020, 1097917, 2195834, 4391668, 5489585, 10979170, 21958340]

約数ペア:

[(1, 21958340), (2, 10979170), (4, 5489585), (5, 4391668), (10, 2195834), (20, 1097917), (467, 47020), (934, 23510), (1868, 11755), (2335, 9404), (2351, 9340), (4670, 4702)]