21211053

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8849}}^1$

素因数の和:8916

約数の個数: 16

約数和(自身を含む): 30585600

約数和(自身を除く): 9374547

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8849, 26547, 150433, 415903, 451299, 1247709, 7070351, 21211053]

約数ペア:

[(1, 21211053), (3, 7070351), (17, 1247709), (47, 451299), (51, 415903), (141, 150433), (799, 26547), (2397, 8849)]