21340802

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3727}}^1$

素因数の和:4145

約数の個数: 16

約数和(自身を含む): 36683520

約数和(自身を除く): 15342718

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3727, 5726, 7454, 26089, 52178, 1524343, 3048686, 10670401, 21340802]

約数ペア:

[(1, 21340802), (2, 10670401), (7, 3048686), (14, 1524343), (409, 52178), (818, 26089), (2863, 7454), (3727, 5726)]