21447248

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{6011}}^1$

素因数の和:6242

約数の個数: 20

約数和(自身を含む): 41747328

約数和(自身を除く): 20300080

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 6011, 12022, 24044, 48088, 96176, 1340453, 2680906, 5361812, 10723624, 21447248]

約数ペア:

[(1, 21447248), (2, 10723624), (4, 5361812), (8, 2680906), (16, 1340453), (223, 96176), (446, 48088), (892, 24044), (1784, 12022), (3568, 6011)]