21295769

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2053}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 24845184

約数和(自身を除く): 3549415

約数列:

[1, 11, 23, 41, 253, 451, 943, 2053, 10373, 22583, 47219, 84173, 519409, 925903, 1935979, 21295769]

約数ペア:

[(1, 21295769), (11, 1935979), (23, 925903), (41, 519409), (253, 84173), (451, 47219), (943, 22583), (2053, 10373)]