21125576

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23369}}^1$

素因数の和:23488

約数の個数: 16

約数和(自身を含む): 39962700

約数和(自身を除く): 18837124

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23369, 46738, 93476, 186952, 2640697, 5281394, 10562788, 21125576]

約数ペア:

[(1, 21125576), (2, 10562788), (4, 5281394), (8, 2640697), (113, 186952), (226, 93476), (452, 46738), (904, 23369)]