21132538

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65629}}^1$

素因数の和:65661

約数の個数: 16

約数和(自身を含む): 37802880

約数和(自身を除く): 16670342

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65629, 131258, 459403, 918806, 1509467, 3018934, 10566269, 21132538]

約数ペア:

[(1, 21132538), (2, 10566269), (7, 3018934), (14, 1509467), (23, 918806), (46, 459403), (161, 131258), (322, 65629)]