22021168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105871}}^1$

素因数の和:105892

約数の個数: 20

約数和(自身を含む): 45948448

約数和(自身を除く): 23927280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105871, 211742, 423484, 846968, 1376323, 1693936, 2752646, 5505292, 11010584, 22021168]

約数ペア:

[(1, 22021168), (2, 11010584), (4, 5505292), (8, 2752646), (13, 1693936), (16, 1376323), (26, 846968), (52, 423484), (104, 211742), (208, 105871)]