21668902

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 33507792

約数和(自身を除く): 11838890

約数列:

[1, 2, 37, 74, 443, 661, 886, 1322, 16391, 24457, 32782, 48914, 292823, 585646, 10834451, 21668902]

約数ペア:

[(1, 21668902), (2, 10834451), (37, 585646), (74, 292823), (443, 48914), (661, 32782), (886, 24457), (1322, 16391)]