21377008

素因数分解:

$2^4\times {\mathrm{857}}^1\times {\mathrm{1559}}^1$

素因数の和:2424

約数の個数: 20

約数和(自身を含む): 41492880

約数和(自身を除く): 20115872

約数列:

[1, 2, 4, 8, 16, 857, 1559, 1714, 3118, 3428, 6236, 6856, 12472, 13712, 24944, 1336063, 2672126, 5344252, 10688504, 21377008]

約数ペア:

[(1, 21377008), (2, 10688504), (4, 5344252), (8, 2672126), (16, 1336063), (857, 24944), (1559, 13712), (1714, 12472), (3118, 6856), (3428, 6236)]