21569270

素因数分解:

$2^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1931}}^1$

素因数の和:3055

約数の個数: 16

約数和(自身を含む): 38879568

約数和(自身を除く): 17310298

約数列:

[1, 2, 5, 10, 1117, 1931, 2234, 3862, 5585, 9655, 11170, 19310, 2156927, 4313854, 10784635, 21569270]

約数ペア:

[(1, 21569270), (2, 10784635), (5, 4313854), (10, 2156927), (1117, 19310), (1931, 11170), (2234, 9655), (3862, 5585)]