21611800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 37313000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 56, 70, 86, 100, 140, 172, 175, 200, 215, 280, 301, 344, 350, 359, 430, 602, 700, 718, 860, 1075, 1204, 1400, 1436, 1505, 1720, 1795, 2150, 2408, 2513, 2872, 3010, 3590, 4300, 5026, 6020, 7180, 7525, 8600, 8975, 10052, 12040, 12565, 14360, 15050, 15437, 17950, 20104, 25130, 30100, 30874, 35900, 50260, 60200, 61748, 62825, 71800, 77185, 100520, 108059, 123496, 125650, 154370, 216118, 251300, 308740, 385925, 432236, 502600, 540295, 617480, 771850, 864472, 1080590, 1543700, 2161180, 2701475, 3087400, 4322360, 5402950, 10805900, 21611800]

約数ペア:

[(1, 21611800), (2, 10805900), (4, 5402950), (5, 4322360), (7, 3087400), (8, 2701475), (10, 2161180), (14, 1543700), (20, 1080590), (25, 864472), (28, 771850), (35, 617480), (40, 540295), (43, 502600), (50, 432236), (56, 385925), (70, 308740), (86, 251300), (100, 216118), (140, 154370), (172, 125650), (175, 123496), (200, 108059), (215, 100520), (280, 77185), (301, 71800), (344, 62825), (350, 61748), (359, 60200), (430, 50260), (602, 35900), (700, 30874), (718, 30100), (860, 25130), (1075, 20104), (1204, 17950), (1400, 15437), (1436, 15050), (1505, 14360), (1720, 12565), (1795, 12040), (2150, 10052), (2408, 8975), (2513, 8600), (2872, 7525), (3010, 7180), (3590, 6020), (4300, 5026)]