21188912

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5783}}^1$

素因数の和:6020

約数の個数: 20

約数和(自身を含む): 41239920

約数和(自身を除く): 20051008

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5783, 11566, 23132, 46264, 92528, 1324307, 2648614, 5297228, 10594456, 21188912]

約数ペア:

[(1, 21188912), (2, 10594456), (4, 5297228), (8, 2648614), (16, 1324307), (229, 92528), (458, 46264), (916, 23132), (1832, 11566), (3664, 5783)]