21939123

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 7920717

約数列:

[1, 3, 89, 127, 267, 381, 647, 1941, 11303, 33909, 57583, 82169, 172749, 246507, 7313041, 21939123]

約数ペア:

[(1, 21939123), (3, 7313041), (89, 246507), (127, 172749), (267, 82169), (381, 57583), (647, 33909), (1941, 11303)]