21727816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{246907}}^1$

素因数の和:246924

約数の個数: 16

約数和(自身を含む): 44443440

約数和(自身を除く): 22715624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 246907, 493814, 987628, 1975256, 2715977, 5431954, 10863908, 21727816]

約数ペア:

[(1, 21727816), (2, 10863908), (4, 5431954), (8, 2715977), (11, 1975256), (22, 987628), (44, 493814), (88, 246907)]