21000618111

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8055473}}^1$

素因数の和:8055566

約数の個数: 16

約数和(自身を含む): 30933020160

約数和(自身を除く): 9932402049

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 8055473, 24166419, 88610203, 265830609, 636382367, 1909147101, 7000206037, 21000618111]

約数ペア:

[(1, 21000618111), (3, 7000206037), (11, 1909147101), (33, 636382367), (79, 265830609), (237, 88610203), (869, 24166419), (2607, 8055473)]