21696363

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61813}}^1$

素因数の和:61835

約数の個数: 16

約数和(自身を含む): 34615840

約数和(自身を除く): 12919477

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61813, 185439, 556317, 803569, 1668951, 2410707, 7232121, 21696363]

約数ペア:

[(1, 21696363), (3, 7232121), (9, 2410707), (13, 1668951), (27, 803569), (39, 556317), (117, 185439), (351, 61813)]