21878910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{27011}}^1$

素因数の和:27030

約数の個数: 40

約数和(自身を含む): 58832136

約数和(自身を除く): 36953226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 27011, 54022, 81033, 135055, 162066, 243099, 270110, 405165, 486198, 729297, 810330, 1215495, 1458594, 2187891, 2430990, 3646485, 4375782, 7292970, 10939455, 21878910]

約数ペア:

[(1, 21878910), (2, 10939455), (3, 7292970), (5, 4375782), (6, 3646485), (9, 2430990), (10, 2187891), (15, 1458594), (18, 1215495), (27, 810330), (30, 729297), (45, 486198), (54, 405165), (81, 270110), (90, 243099), (135, 162066), (162, 135055), (270, 81033), (405, 54022), (810, 27011)]