21236941

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 23976000

約数和(自身を除く): 2739059

約数列:

[1, 11, 53, 73, 499, 583, 803, 3869, 5489, 26447, 36427, 42559, 290917, 400697, 1930631, 21236941]

約数ペア:

[(1, 21236941), (11, 1930631), (53, 400697), (73, 290917), (499, 42559), (583, 36427), (803, 26447), (3869, 5489)]