21575477

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7573}}^1$

素因数の和:7628

約数の個数: 16

約数和(自身を含む): 27629952

約数和(自身を除く): 6054475

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7573, 53011, 83303, 280201, 583121, 1961407, 3082211, 21575477]

約数ペア:

[(1, 21575477), (7, 3082211), (11, 1961407), (37, 583121), (77, 280201), (259, 83303), (407, 53011), (2849, 7573)]