21576040

素因数分解:

$2^3\times 5^1\times {\mathrm{539401}}^1$

素因数の和:539412

約数の個数: 16

約数和(自身を含む): 48546180

約数和(自身を除く): 26970140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 539401, 1078802, 2157604, 2697005, 4315208, 5394010, 10788020, 21576040]

約数ペア:

[(1, 21576040), (2, 10788020), (4, 5394010), (5, 4315208), (8, 2697005), (10, 2157604), (20, 1078802), (40, 539401)]