21746426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4621}}^1$

素因数の和:4817

約数の個数: 16

約数和(自身を含む): 35330568

約数和(自身を除く): 13584142

約数列:

[1, 2, 13, 26, 181, 362, 2353, 4621, 4706, 9242, 60073, 120146, 836401, 1672802, 10873213, 21746426]

約数ペア:

[(1, 21746426), (2, 10873213), (13, 1672802), (26, 836401), (181, 120146), (362, 60073), (2353, 9242), (4621, 4706)]