21802143

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3533}}^1$

素因数の和:3575

約数の個数: 24

約数和(自身を含む): 33841584

約数和(自身を除く): 12039441

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3533, 6171, 10599, 38863, 60061, 116589, 180183, 427493, 660671, 1282479, 1982013, 7267381, 21802143]

約数ペア:

[(1, 21802143), (3, 7267381), (11, 1982013), (17, 1282479), (33, 660671), (51, 427493), (121, 180183), (187, 116589), (363, 60061), (561, 38863), (2057, 10599), (3533, 6171)]