21167798000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{149069}}^1$

素因数の和:149163

約数の個数: 80

約数和(自身を含む): 51904981440

約数和(自身を除く): 30737183440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 500, 568, 710, 1000, 1136, 1420, 1775, 2000, 2840, 3550, 5680, 7100, 8875, 14200, 17750, 28400, 35500, 71000, 142000, 149069, 298138, 596276, 745345, 1192552, 1490690, 2385104, 2981380, 3726725, 5962760, 7453450, 10583899, 11925520, 14906900, 18633625, 21167798, 29813800, 37267250, 42335596, 52919495, 59627600, 74534500, 84671192, 105838990, 149069000, 169342384, 211677980, 264597475, 298138000, 423355960, 529194950, 846711920, 1058389900, 1322987375, 2116779800, 2645974750, 4233559600, 5291949500, 10583899000, 21167798000]

約数ペア:

[(1, 21167798000), (2, 10583899000), (4, 5291949500), (5, 4233559600), (8, 2645974750), (10, 2116779800), (16, 1322987375), (20, 1058389900), (25, 846711920), (40, 529194950), (50, 423355960), (71, 298138000), (80, 264597475), (100, 211677980), (125, 169342384), (142, 149069000), (200, 105838990), (250, 84671192), (284, 74534500), (355, 59627600), (400, 52919495), (500, 42335596), (568, 37267250), (710, 29813800), (1000, 21167798), (1136, 18633625), (1420, 14906900), (1775, 11925520), (2000, 10583899), (2840, 7453450), (3550, 5962760), (5680, 3726725), (7100, 2981380), (8875, 2385104), (14200, 1490690), (17750, 1192552), (28400, 745345), (35500, 596276), (71000, 298138), (142000, 149069)]