21297243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37963}}^1$

素因数の和:37994

約数の個数: 16

約数和(自身を含む): 32800896

約数和(自身を除く): 11503653

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37963, 113889, 417593, 645371, 1252779, 1936113, 7099081, 21297243]

約数ペア:

[(1, 21297243), (3, 7099081), (11, 1936113), (17, 1252779), (33, 645371), (51, 417593), (187, 113889), (561, 37963)]