21363293

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 25194240

約数和(自身を除く): 3830947

約数列:

[1, 7, 53, 89, 371, 623, 647, 4529, 4717, 33019, 34291, 57583, 240037, 403081, 3051899, 21363293]

約数ペア:

[(1, 21363293), (7, 3051899), (53, 403081), (89, 240037), (371, 57583), (623, 34291), (647, 33019), (4529, 4717)]