21236025

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2749}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 35464000

約数和(自身を除く): 14227975

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 2749, 7725, 8247, 13745, 41235, 68725, 206175, 283147, 849441, 1415735, 4247205, 7078675, 21236025]

約数ペア:

[(1, 21236025), (3, 7078675), (5, 4247205), (15, 1415735), (25, 849441), (75, 283147), (103, 206175), (309, 68725), (515, 41235), (1545, 13745), (2575, 8247), (2749, 7725)]