21180778751

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{99259}}^1$

素因数の和:100310

約数の個数: 16

約数和(自身を含む): 24346492800

約数和(自身を除く): 3165714049

約数列:

[1, 11, 19, 209, 1021, 11231, 19399, 99259, 213389, 1091849, 1885921, 20745131, 101343439, 1114777829, 1925525341, 21180778751]

約数ペア:

[(1, 21180778751), (11, 1925525341), (19, 1114777829), (209, 101343439), (1021, 20745131), (11231, 1885921), (19399, 1091849), (99259, 213389)]