21070907

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5081}}^1$

素因数の和:5134

約数の個数: 16

約数和(自身を含む): 25613280

約数和(自身を除く): 4542373

約数列:

[1, 11, 13, 29, 143, 319, 377, 4147, 5081, 55891, 66053, 147349, 726583, 1620839, 1915537, 21070907]

約数ペア:

[(1, 21070907), (11, 1915537), (13, 1620839), (29, 726583), (143, 147349), (319, 66053), (377, 55891), (4147, 5081)]