21167772760

素因数分解:

$2^3\times 5^1\times {\mathrm{529194319}}^1$

素因数の和:529194330

約数の個数: 16

約数和(自身を含む): 47627488800

約数和(自身を除く): 26459716040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 529194319, 1058388638, 2116777276, 2645971595, 4233554552, 5291943190, 10583886380, 21167772760]

約数ペア:

[(1, 21167772760), (2, 10583886380), (4, 5291943190), (5, 4233554552), (8, 2645971595), (10, 2116777276), (20, 1058388638), (40, 529194319)]