21820838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27073}}^1$

素因数の和:27119

約数の個数: 16

約数和(自身を含む): 36387456

約数和(自身を除く): 14566618

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 27073, 54146, 351949, 703898, 839263, 1678526, 10910419, 21820838]

約数ペア:

[(1, 21820838), (2, 10910419), (13, 1678526), (26, 839263), (31, 703898), (62, 351949), (403, 54146), (806, 27073)]