21876760

素因数分解:

$2^3\times 5^1\times {\mathrm{546919}}^1$

素因数の和:546930

約数の個数: 16

約数和(自身を含む): 49222800

約数和(自身を除く): 27346040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 546919, 1093838, 2187676, 2734595, 4375352, 5469190, 10938380, 21876760]

約数ペア:

[(1, 21876760), (2, 10938380), (4, 5469190), (5, 4375352), (8, 2734595), (10, 2187676), (20, 1093838), (40, 546919)]