21779268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259277}}^1$

素因数の和:259291

約数の個数: 24

約数和(自身を含む): 58078272

約数和(自身を除く): 36299004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259277, 518554, 777831, 1037108, 1555662, 1814939, 3111324, 3629878, 5444817, 7259756, 10889634, 21779268]

約数ペア:

[(1, 21779268), (2, 10889634), (3, 7259756), (4, 5444817), (6, 3629878), (7, 3111324), (12, 1814939), (14, 1555662), (21, 1037108), (28, 777831), (42, 518554), (84, 259277)]