21112008

素因数分解:

$2^3\times 3^1\times {\mathrm{879667}}^1$

素因数の和:879676

約数の個数: 16

約数和(自身を含む): 52780080

約数和(自身を除く): 31668072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 879667, 1759334, 2639001, 3518668, 5278002, 7037336, 10556004, 21112008]

約数ペア:

[(1, 21112008), (2, 10556004), (3, 7037336), (4, 5278002), (6, 3518668), (8, 2639001), (12, 1759334), (24, 879667)]