21139294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12163}}^1$

素因数の和:12255

約数の個数: 16

約数和(自身を含む): 35032320

約数和(自身を除く): 13893026

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12163, 24326, 133793, 267586, 960877, 1921754, 10569647, 21139294]

約数ペア:

[(1, 21139294), (2, 10569647), (11, 1921754), (22, 960877), (79, 267586), (158, 133793), (869, 24326), (1738, 12163)]