21105616

素因数分解:

$2^4\times 7^1\times {\mathrm{188443}}^1$

素因数の和:188458

約数の個数: 20

約数和(自身を含む): 46734112

約数和(自身を除く): 25628496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188443, 376886, 753772, 1319101, 1507544, 2638202, 3015088, 5276404, 10552808, 21105616]

約数ペア:

[(1, 21105616), (2, 10552808), (4, 5276404), (7, 3015088), (8, 2638202), (14, 1507544), (16, 1319101), (28, 753772), (56, 376886), (112, 188443)]