21058448

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2971}}^1$

素因数の和:3422

約数の個数: 20

約数和(自身を含む): 40906608

約数和(自身を除く): 19848160

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2971, 3544, 5942, 7088, 11884, 23768, 47536, 1316153, 2632306, 5264612, 10529224, 21058448]

約数ペア:

[(1, 21058448), (2, 10529224), (4, 5264612), (8, 2632306), (16, 1316153), (443, 47536), (886, 23768), (1772, 11884), (2971, 7088), (3544, 5942)]