21993928

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22721}}^1$

素因数の和:22749

約数の個数: 24

約数和(自身を含む): 45330390

約数和(自身を除く): 23336462

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22721, 45442, 90884, 181768, 249931, 499862, 999724, 1999448, 2749241, 5498482, 10996964, 21993928]

約数ペア:

[(1, 21993928), (2, 10996964), (4, 5498482), (8, 2749241), (11, 1999448), (22, 999724), (44, 499862), (88, 249931), (121, 181768), (242, 90884), (484, 45442), (968, 22721)]