21088022680

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1190069}}^1$

素因数の和:1190523

約数の個数: 32

約数和(自身を含む): 47555197200

約数和(自身を除く): 26467174520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 1190069, 2380138, 4760276, 5950345, 9520552, 11900690, 23801380, 47602760, 527200567, 1054401134, 2108802268, 2636002835, 4217604536, 5272005670, 10544011340, 21088022680]

約数ペア:

[(1, 21088022680), (2, 10544011340), (4, 5272005670), (5, 4217604536), (8, 2636002835), (10, 2108802268), (20, 1054401134), (40, 527200567), (443, 47602760), (886, 23801380), (1772, 11900690), (2215, 9520552), (3544, 5950345), (4430, 4760276), (8860, 2380138), (17720, 1190069)]