21912088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{499}}^2$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 44910180

約数和(自身を除く): 22998092

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 499, 998, 1996, 3992, 5489, 10978, 21956, 43912, 249001, 498002, 996004, 1992008, 2739011, 5478022, 10956044, 21912088]

約数ペア:

[(1, 21912088), (2, 10956044), (4, 5478022), (8, 2739011), (11, 1992008), (22, 996004), (44, 498002), (88, 249001), (499, 43912), (998, 21956), (1996, 10978), (3992, 5489)]