21254369

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2861}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 24727680

約数和(自身を除く): 3473311

約数列:

[1, 17, 19, 23, 323, 391, 437, 2861, 7429, 48637, 54359, 65803, 924103, 1118651, 1250257, 21254369]

約数ペア:

[(1, 21254369), (17, 1250257), (19, 1118651), (23, 924103), (323, 65803), (391, 54359), (437, 48637), (2861, 7429)]