21292443

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{25439}}^1$

素因数の和:25479

約数の個数: 16

約数和(自身を含む): 32563200

約数和(自身を除く): 11270757

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 25439, 76317, 228951, 686853, 788609, 2365827, 7097481, 21292443]

約数ペア:

[(1, 21292443), (3, 7097481), (9, 2365827), (27, 788609), (31, 686853), (93, 228951), (279, 76317), (837, 25439)]