21525616

素因数分解:

$2^4\times 7^1\times {\mathrm{192193}}^1$

素因数の和:192208

約数の個数: 20

約数和(自身を含む): 47664112

約数和(自身を除く): 26138496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192193, 384386, 768772, 1345351, 1537544, 2690702, 3075088, 5381404, 10762808, 21525616]

約数ペア:

[(1, 21525616), (2, 10762808), (4, 5381404), (7, 3075088), (8, 2690702), (14, 1537544), (16, 1345351), (28, 768772), (56, 384386), (112, 192193)]