21325032004

素因数分解:

$2^2\times {\mathrm{4861}}^1\times {\mathrm{1096741}}^1$

素因数の和:1101606

約数の個数: 12

約数和(自身を含む): 37326517228

約数和(自身を除く): 16001485224

約数列:

[1, 2, 4, 4861, 9722, 19444, 1096741, 2193482, 4386964, 5331258001, 10662516002, 21325032004]

約数ペア:

[(1, 21325032004), (2, 10662516002), (4, 5331258001), (4861, 4386964), (9722, 2193482), (19444, 1096741)]