21925748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{757}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 41450472

約数和(自身を除く): 19524724

約数列:

[1, 2, 4, 13, 26, 52, 557, 757, 1114, 1514, 2228, 3028, 7241, 9841, 14482, 19682, 28964, 39364, 421649, 843298, 1686596, 5481437, 10962874, 21925748]

約数ペア:

[(1, 21925748), (2, 10962874), (4, 5481437), (13, 1686596), (26, 843298), (52, 421649), (557, 39364), (757, 28964), (1114, 19682), (1514, 14482), (2228, 9841), (3028, 7241)]