21225638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{48907}}^1$

素因数の和:48947

約数の個数: 16

約数和(自身を含む): 37561344

約数和(自身を除く): 16335706

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 48907, 97814, 342349, 684698, 1516117, 3032234, 10612819, 21225638]

約数ペア:

[(1, 21225638), (2, 10612819), (7, 3032234), (14, 1516117), (31, 684698), (62, 342349), (217, 97814), (434, 48907)]