21830949

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1759}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 36241920

約数和(自身を除く): 14410971

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1759, 1773, 4137, 5277, 12313, 12411, 15831, 36939, 110817, 346523, 1039569, 2425661, 3118707, 7276983, 21830949]

約数ペア:

[(1, 21830949), (3, 7276983), (7, 3118707), (9, 2425661), (21, 1039569), (63, 346523), (197, 110817), (591, 36939), (1379, 15831), (1759, 12411), (1773, 12313), (4137, 5277)]