21844408

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12941}}^1$

素因数の和:13158

約数の個数: 16

約数和(自身を含む): 41155560

約数和(自身を除く): 19311152

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12941, 25882, 51764, 103528, 2730551, 5461102, 10922204, 21844408]

約数ペア:

[(1, 21844408), (2, 10922204), (4, 5461102), (8, 2730551), (211, 103528), (422, 51764), (844, 25882), (1688, 12941)]