21458008078

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{63485231}}^1$

素因数の和:63485259

約数の個数: 12

約数和(自身を含む): 34853392368

約数和(自身を除く): 13395384290

約数列:

[1, 2, 13, 26, 169, 338, 63485231, 126970462, 825308003, 1650616006, 10729004039, 21458008078]

約数ペア:

[(1, 21458008078), (2, 10729004039), (13, 1650616006), (26, 825308003), (169, 126970462), (338, 63485231)]