21212044

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5783}}^1$

素因数の和:5925

約数の個数: 24

約数和(自身を含む): 42755328

約数和(自身を除く): 21543284

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5783, 11566, 23132, 40481, 80962, 161924, 757573, 1515146, 3030292, 5303011, 10606022, 21212044]

約数ペア:

[(1, 21212044), (2, 10606022), (4, 5303011), (7, 3030292), (14, 1515146), (28, 757573), (131, 161924), (262, 80962), (524, 40481), (917, 23132), (1834, 11566), (3668, 5783)]