21941763

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 29911296

約数和(自身を除く): 7969533

約数列:

[1, 3, 67, 173, 201, 519, 631, 1893, 11591, 34773, 42277, 109163, 126831, 327489, 7313921, 21941763]

約数ペア:

[(1, 21941763), (3, 7313921), (67, 327489), (173, 126831), (201, 109163), (519, 42277), (631, 34773), (1893, 11591)]