21809200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7789}}^1$

素因数の和:7814

約数の個数: 60

約数和(自身を含む): 59889520

約数和(自身を除く): 38080320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7789, 15578, 31156, 38945, 54523, 62312, 77890, 109046, 124624, 155780, 194725, 218092, 272615, 311560, 389450, 436184, 545230, 623120, 778900, 872368, 1090460, 1363075, 1557800, 2180920, 2726150, 3115600, 4361840, 5452300, 10904600, 21809200]

約数ペア:

[(1, 21809200), (2, 10904600), (4, 5452300), (5, 4361840), (7, 3115600), (8, 2726150), (10, 2180920), (14, 1557800), (16, 1363075), (20, 1090460), (25, 872368), (28, 778900), (35, 623120), (40, 545230), (50, 436184), (56, 389450), (70, 311560), (80, 272615), (100, 218092), (112, 194725), (140, 155780), (175, 124624), (200, 109046), (280, 77890), (350, 62312), (400, 54523), (560, 38945), (700, 31156), (1400, 15578), (2800, 7789)]