21251032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241489}}^1$

素因数の和:241506

約数の個数: 16

約数和(自身を含む): 43468200

約数和(自身を除く): 22217168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241489, 482978, 965956, 1931912, 2656379, 5312758, 10625516, 21251032]

約数ペア:

[(1, 21251032), (2, 10625516), (4, 5312758), (8, 2656379), (11, 1931912), (22, 965956), (44, 482978), (88, 241489)]