21168477

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5779}}^1$

素因数の和:5833

約数の個数: 24

約数和(自身を含む): 34263840

約数和(自身を除く): 13095363

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5779, 17337, 52011, 63569, 190707, 213823, 572121, 641469, 1924407, 2352053, 7056159, 21168477]

約数ペア:

[(1, 21168477), (3, 7056159), (9, 2352053), (11, 1924407), (33, 641469), (37, 572121), (99, 213823), (111, 190707), (333, 63569), (407, 52011), (1221, 17337), (3663, 5779)]