21792815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10709}}^1$

素因数の和:10762

約数の個数: 16

約数和(自身を含む): 29302560

約数和(自身を除く): 7509745

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10709, 53545, 117799, 396233, 588995, 1981165, 4358563, 21792815]

約数ペア:

[(1, 21792815), (5, 4358563), (11, 1981165), (37, 588995), (55, 396233), (185, 117799), (407, 53545), (2035, 10709)]