21918287

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1933}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 25064640

約数和(自身を除く): 3146353

約数列:

[1, 17, 23, 29, 391, 493, 667, 1933, 11339, 32861, 44459, 56057, 755803, 952969, 1289311, 21918287]

約数ペア:

[(1, 21918287), (17, 1289311), (23, 952969), (29, 755803), (391, 56057), (493, 44459), (667, 32861), (1933, 11339)]