210221245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{28621}}^1$

素因数の和:28752

約数の個数: 16

約数和(自身を含む): 274084272

約数和(自身を除く): 63863027

約数列:

[1, 5, 13, 65, 113, 565, 1469, 7345, 28621, 143105, 372073, 1860365, 3234173, 16170865, 42044249, 210221245]

約数ペア:

[(1, 210221245), (5, 42044249), (13, 16170865), (65, 3234173), (113, 1860365), (565, 372073), (1469, 143105), (7345, 28621)]