21572711

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 2050777

約数列:

[1, 17, 61, 71, 293, 1037, 1207, 4331, 4981, 17873, 20803, 73627, 303841, 353651, 1268983, 21572711]

約数ペア:

[(1, 21572711), (17, 1268983), (61, 353651), (71, 303841), (293, 73627), (1037, 20803), (1207, 17873), (4331, 4981)]