21893223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21401}}^1$

素因数の和:21446

約数の個数: 16

約数和(自身を含む): 32873472

約数和(自身を除く): 10980249

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 21401, 64203, 235411, 663431, 706233, 1990293, 7297741, 21893223]

約数ペア:

[(1, 21893223), (3, 7297741), (11, 1990293), (31, 706233), (33, 663431), (93, 235411), (341, 64203), (1023, 21401)]