21795627

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{28051}}^1$

素因数の和:28098

約数の個数: 16

約数和(自身を含む): 34111232

約数和(自身を除く): 12315605

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 28051, 84153, 196357, 589071, 1037887, 3113661, 7265209, 21795627]

約数ペア:

[(1, 21795627), (3, 7265209), (7, 3113661), (21, 1037887), (37, 589071), (111, 196357), (259, 84153), (777, 28051)]