21470523

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 30472512

約数和(自身を除く): 9001989

約数列:

[1, 3, 23, 69, 83, 163, 249, 489, 529, 1587, 1909, 3749, 5727, 11247, 13529, 40587, 43907, 86227, 131721, 258681, 311167, 933501, 7156841, 21470523]

約数ペア:

[(1, 21470523), (3, 7156841), (23, 933501), (69, 311167), (83, 258681), (163, 131721), (249, 86227), (489, 43907), (529, 40587), (1587, 13529), (1909, 11247), (3749, 5727)]