21476680

素因数分解:

$2^3\times 5^1\times {\mathrm{536917}}^1$

素因数の和:536928

約数の個数: 16

約数和(自身を含む): 48322620

約数和(自身を除く): 26845940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536917, 1073834, 2147668, 2684585, 4295336, 5369170, 10738340, 21476680]

約数ペア:

[(1, 21476680), (2, 10738340), (4, 5369170), (5, 4295336), (8, 2684585), (10, 2147668), (20, 1073834), (40, 536917)]