21074443

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 23496480

約数和(自身を除く): 2422037

約数列:

[1, 13, 53, 73, 419, 689, 949, 3869, 5447, 22207, 30587, 50297, 288691, 397631, 1621111, 21074443]

約数ペア:

[(1, 21074443), (13, 1621111), (53, 397631), (73, 288691), (419, 50297), (689, 30587), (949, 22207), (3869, 5447)]