21080102007

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2066069}}^1$

素因数の和:2066270

約数の個数: 16

約数和(自身を含む): 29751408000

約数和(自身を除く): 8671305993

約数列:

[1, 3, 19, 57, 179, 537, 3401, 10203, 2066069, 6198207, 39255311, 117765933, 369826351, 1109479053, 7026700669, 21080102007]

約数ペア:

[(1, 21080102007), (3, 7026700669), (19, 1109479053), (57, 369826351), (179, 117765933), (537, 39255311), (3401, 6198207), (10203, 2066069)]