21706438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6373}}^1$

素因数の和:6519

約数の個数: 16

約数和(自身を含む): 35337456

約数和(自身を除く): 13631018

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 6373, 12746, 82849, 165698, 834863, 1669726, 10853219, 21706438]

約数ペア:

[(1, 21706438), (2, 10853219), (13, 1669726), (26, 834863), (131, 165698), (262, 82849), (1703, 12746), (3406, 6373)]