21635145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{68683}}^1$

素因数の和:68701

約数の個数: 24

約数和(自身を含む): 42858816

約数和(自身を除く): 21223671

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 68683, 206049, 343415, 480781, 618147, 1030245, 1442343, 2403905, 3090735, 4327029, 7211715, 21635145]

約数ペア:

[(1, 21635145), (3, 7211715), (5, 4327029), (7, 3090735), (9, 2403905), (15, 1442343), (21, 1030245), (35, 618147), (45, 480781), (63, 343415), (105, 206049), (315, 68683)]