21082061

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21061}}^1$

素因数の和:21092

約数の個数: 16

約数和(自身を含む): 28307328

約数和(自身を除く): 7225267

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21061, 147427, 231671, 273793, 1621697, 1916551, 3011723, 21082061]

約数ペア:

[(1, 21082061), (7, 3011723), (11, 1916551), (13, 1621697), (77, 273793), (91, 231671), (143, 147427), (1001, 21061)]