21649635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{68729}}^1$

素因数の和:68747

約数の個数: 24

約数和(自身を含む): 42887520

約数和(自身を除く): 21237885

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 68729, 206187, 343645, 481103, 618561, 1030935, 1443309, 2405515, 3092805, 4329927, 7216545, 21649635]

約数ペア:

[(1, 21649635), (3, 7216545), (5, 4329927), (7, 3092805), (9, 2405515), (15, 1443309), (21, 1030935), (35, 618561), (45, 481103), (63, 343645), (105, 206187), (315, 68729)]