21093037072

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{2752223}}^1$

素因数の和:2752710

約数の個数: 20

約数和(自身を含む): 40953093120

約数和(自身を除く): 19860056048

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664, 2752223, 5504446, 11008892, 22017784, 44035568, 1318314817, 2636629634, 5273259268, 10546518536, 21093037072]

約数ペア:

[(1, 21093037072), (2, 10546518536), (4, 5273259268), (8, 2636629634), (16, 1318314817), (479, 44035568), (958, 22017784), (1916, 11008892), (3832, 5504446), (7664, 2752223)]