21119000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{431}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 57620160

約数和(自身を除く): 36501160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 431, 490, 500, 700, 862, 875, 980, 1000, 1225, 1400, 1724, 1750, 1960, 2155, 2450, 3017, 3448, 3500, 4310, 4900, 6034, 6125, 7000, 8620, 9800, 10775, 12068, 12250, 15085, 17240, 21119, 21550, 24136, 24500, 30170, 42238, 43100, 49000, 53875, 60340, 75425, 84476, 86200, 105595, 107750, 120680, 150850, 168952, 211190, 215500, 301700, 377125, 422380, 431000, 527975, 603400, 754250, 844760, 1055950, 1508500, 2111900, 2639875, 3017000, 4223800, 5279750, 10559500, 21119000]

約数ペア:

[(1, 21119000), (2, 10559500), (4, 5279750), (5, 4223800), (7, 3017000), (8, 2639875), (10, 2111900), (14, 1508500), (20, 1055950), (25, 844760), (28, 754250), (35, 603400), (40, 527975), (49, 431000), (50, 422380), (56, 377125), (70, 301700), (98, 215500), (100, 211190), (125, 168952), (140, 150850), (175, 120680), (196, 107750), (200, 105595), (245, 86200), (250, 84476), (280, 75425), (350, 60340), (392, 53875), (431, 49000), (490, 43100), (500, 42238), (700, 30170), (862, 24500), (875, 24136), (980, 21550), (1000, 21119), (1225, 17240), (1400, 15085), (1724, 12250), (1750, 12068), (1960, 10775), (2155, 9800), (2450, 8620), (3017, 7000), (3448, 6125), (3500, 6034), (4310, 4900)]