21947546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{14087}}^1$

素因数の和:14149

約数の個数: 16

約数和(自身を含む): 35501760

約数和(自身を除く): 13554214

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 14087, 28174, 267653, 535306, 577567, 1155134, 10973773, 21947546]

約数ペア:

[(1, 21947546), (2, 10973773), (19, 1155134), (38, 577567), (41, 535306), (82, 267653), (779, 28174), (1558, 14087)]