21111288

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79967}}^1$

素因数の和:79987

約数の個数: 32

約数和(自身を含む): 57576960

約数和(自身を除く): 36465672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 79967, 159934, 239901, 319868, 479802, 639736, 879637, 959604, 1759274, 1919208, 2638911, 3518548, 5277822, 7037096, 10555644, 21111288]

約数ペア:

[(1, 21111288), (2, 10555644), (3, 7037096), (4, 5277822), (6, 3518548), (8, 2638911), (11, 1919208), (12, 1759274), (22, 959604), (24, 879637), (33, 639736), (44, 479802), (66, 319868), (88, 239901), (132, 159934), (264, 79967)]