21752855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3793}}^1$

素因数の和:3866

約数の個数: 16

約数和(自身を含む): 27681024

約数和(自身を除く): 5928169

約数列:

[1, 5, 31, 37, 155, 185, 1147, 3793, 5735, 18965, 117583, 140341, 587915, 701705, 4350571, 21752855]

約数ペア:

[(1, 21752855), (5, 4350571), (31, 701705), (37, 587915), (155, 140341), (185, 117583), (1147, 18965), (3793, 5735)]