21997675

素因数分解:

$5^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{373}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 31350176

約数和(自身を除く): 9352501

約数列:

[1, 5, 7, 25, 35, 175, 337, 373, 1685, 1865, 2359, 2611, 8425, 9325, 11795, 13055, 58975, 65275, 125701, 628505, 879907, 3142525, 4399535, 21997675]

約数ペア:

[(1, 21997675), (5, 4399535), (7, 3142525), (25, 879907), (35, 628505), (175, 125701), (337, 65275), (373, 58975), (1685, 13055), (1865, 11795), (2359, 9325), (2611, 8425)]