21694865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9929}}^1$

素因数の和:9976

約数の個数: 16

約数和(自身を含む): 28598400

約数和(自身を除く): 6903535

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9929, 49645, 188651, 228367, 943255, 1141835, 4338973, 21694865]

約数ペア:

[(1, 21694865), (5, 4338973), (19, 1141835), (23, 943255), (95, 228367), (115, 188651), (437, 49645), (2185, 9929)]