21664340

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4649}}^1$

素因数の和:4891

約数の個数: 24

約数和(自身を含む): 45700200

約数和(自身を除く): 24035860

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4649, 4660, 9298, 18596, 23245, 46490, 92980, 1083217, 2166434, 4332868, 5416085, 10832170, 21664340]

約数ペア:

[(1, 21664340), (2, 10832170), (4, 5416085), (5, 4332868), (10, 2166434), (20, 1083217), (233, 92980), (466, 46490), (932, 23245), (1165, 18596), (2330, 9298), (4649, 4660)]