21894878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33893}}^1$

素因数の和:33931

約数の個数: 16

約数和(自身を含む): 36605520

約数和(自身を除く): 14710642

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33893, 67786, 576181, 643967, 1152362, 1287934, 10947439, 21894878]

約数ペア:

[(1, 21894878), (2, 10947439), (17, 1287934), (19, 1152362), (34, 643967), (38, 576181), (323, 67786), (646, 33893)]