21734518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43997}}^1$

素因数の和:44031

約数の個数: 16

約数和(自身を含む): 36958320

約数和(自身を除く): 15223802

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43997, 87994, 571961, 835943, 1143922, 1671886, 10867259, 21734518]

約数ペア:

[(1, 21734518), (2, 10867259), (13, 1671886), (19, 1143922), (26, 835943), (38, 571961), (247, 87994), (494, 43997)]