21701706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278227}}^1$

素因数の和:278245

約数の個数: 16

約数和(自身を含む): 46742304

約数和(自身を除く): 25040598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278227, 556454, 834681, 1669362, 3616951, 7233902, 10850853, 21701706]

約数ペア:

[(1, 21701706), (2, 10850853), (3, 7233902), (6, 3616951), (13, 1669362), (26, 834681), (39, 556454), (78, 278227)]