22561721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13049}}^1$

素因数の和:13088

約数の個数: 16

約数和(自身を含む): 29232000

約数和(自身を除く): 6670279

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 13049, 91343, 169637, 247931, 1187459, 1735517, 3223103, 22561721]

約数ペア:

[(1, 22561721), (7, 3223103), (13, 1735517), (19, 1187459), (91, 247931), (133, 169637), (247, 91343), (1729, 13049)]