21054363

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 10814565

約数列:

[1, 3, 11, 31, 33, 93, 121, 341, 363, 1023, 1871, 3751, 5613, 11253, 20581, 58001, 61743, 174003, 226391, 638011, 679173, 1914033, 7018121, 21054363]

約数ペア:

[(1, 21054363), (3, 7018121), (11, 1914033), (31, 679173), (33, 638011), (93, 226391), (121, 174003), (341, 61743), (363, 58001), (1023, 20581), (1871, 11253), (3751, 5613)]