21403234

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7933}}^1$

素因数の和:8025

約数の個数: 16

約数和(自身を含む): 34274880

約数和(自身を除く): 12871646

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7933, 15866, 150727, 301454, 563243, 1126486, 10701617, 21403234]

約数ペア:

[(1, 21403234), (2, 10701617), (19, 1126486), (38, 563243), (71, 301454), (142, 150727), (1349, 15866), (2698, 7933)]