21968024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211231}}^1$

素因数の和:211250

約数の個数: 16

約数和(自身を含む): 44358720

約数和(自身を除く): 22390696

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211231, 422462, 844924, 1689848, 2746003, 5492006, 10984012, 21968024]

約数ペア:

[(1, 21968024), (2, 10984012), (4, 5492006), (8, 2746003), (13, 1689848), (26, 844924), (52, 422462), (104, 211231)]