21403448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22111}}^1$

素因数の和:22139

約数の個数: 24

約数和(自身を含む): 44113440

約数和(自身を除く): 22709992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22111, 44222, 88444, 176888, 243221, 486442, 972884, 1945768, 2675431, 5350862, 10701724, 21403448]

約数ペア:

[(1, 21403448), (2, 10701724), (4, 5350862), (8, 2675431), (11, 1945768), (22, 972884), (44, 486442), (88, 243221), (121, 176888), (242, 88444), (484, 44222), (968, 22111)]