21408101

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{283}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 26384736

約数和(自身を除く): 4976635

約数列:

[1, 11, 13, 23, 143, 253, 283, 299, 529, 3113, 3289, 3679, 5819, 6509, 6877, 40469, 71599, 75647, 84617, 149707, 930787, 1646777, 1946191, 21408101]

約数ペア:

[(1, 21408101), (11, 1946191), (13, 1646777), (23, 930787), (143, 149707), (253, 84617), (283, 75647), (299, 71599), (529, 40469), (3113, 6877), (3289, 6509), (3679, 5819)]