21802016

素因数分解:

$2^5\times {\mathrm{487}}^1\times {\mathrm{1399}}^1$

素因数の和:1896

約数の個数: 24

約数和(自身を含む): 43041600

約数和(自身を除く): 21239584

約数列:

[1, 2, 4, 8, 16, 32, 487, 974, 1399, 1948, 2798, 3896, 5596, 7792, 11192, 15584, 22384, 44768, 681313, 1362626, 2725252, 5450504, 10901008, 21802016]

約数ペア:

[(1, 21802016), (2, 10901008), (4, 5450504), (8, 2725252), (16, 1362626), (32, 681313), (487, 44768), (974, 22384), (1399, 15584), (1948, 11192), (2798, 7792), (3896, 5596)]