21412760

素因数分解:

$2^3\times 5^1\times {\mathrm{535319}}^1$

素因数の和:535330

約数の個数: 16

約数和(自身を含む): 48178800

約数和(自身を除く): 26766040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535319, 1070638, 2141276, 2676595, 4282552, 5353190, 10706380, 21412760]

約数ペア:

[(1, 21412760), (2, 10706380), (4, 5353190), (5, 4282552), (8, 2676595), (10, 2141276), (20, 1070638), (40, 535319)]