21145600

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{59}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 60933600

約数和(自身を除く): 39788000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 59, 64, 70, 80, 100, 112, 118, 128, 140, 160, 175, 200, 224, 236, 256, 280, 295, 320, 350, 400, 413, 448, 472, 512, 560, 590, 640, 700, 800, 826, 896, 944, 1024, 1120, 1180, 1280, 1400, 1475, 1600, 1652, 1792, 1888, 2048, 2065, 2240, 2360, 2560, 2800, 2950, 3200, 3304, 3584, 3776, 4130, 4480, 4720, 5120, 5600, 5900, 6400, 6608, 7168, 7552, 8260, 8960, 9440, 10240, 10325, 11200, 11800, 12800, 13216, 14336, 15104, 16520, 17920, 18880, 20650, 22400, 23600, 25600, 26432, 30208, 33040, 35840, 37760, 41300, 44800, 47200, 51200, 52864, 60416, 66080, 71680, 75520, 82600, 89600, 94400, 105728, 120832, 132160, 151040, 165200, 179200, 188800, 211456, 264320, 302080, 330400, 358400, 377600, 422912, 528640, 604160, 660800, 755200, 845824, 1057280, 1321600, 1510400, 2114560, 2643200, 3020800, 4229120, 5286400, 10572800, 21145600]

約数ペア:

[(1, 21145600), (2, 10572800), (4, 5286400), (5, 4229120), (7, 3020800), (8, 2643200), (10, 2114560), (14, 1510400), (16, 1321600), (20, 1057280), (25, 845824), (28, 755200), (32, 660800), (35, 604160), (40, 528640), (50, 422912), (56, 377600), (59, 358400), (64, 330400), (70, 302080), (80, 264320), (100, 211456), (112, 188800), (118, 179200), (128, 165200), (140, 151040), (160, 132160), (175, 120832), (200, 105728), (224, 94400), (236, 89600), (256, 82600), (280, 75520), (295, 71680), (320, 66080), (350, 60416), (400, 52864), (413, 51200), (448, 47200), (472, 44800), (512, 41300), (560, 37760), (590, 35840), (640, 33040), (700, 30208), (800, 26432), (826, 25600), (896, 23600), (944, 22400), (1024, 20650), (1120, 18880), (1180, 17920), (1280, 16520), (1400, 15104), (1475, 14336), (1600, 13216), (1652, 12800), (1792, 11800), (1888, 11200), (2048, 10325), (2065, 10240), (2240, 9440), (2360, 8960), (2560, 8260), (2800, 7552), (2950, 7168), (3200, 6608), (3304, 6400), (3584, 5900), (3776, 5600), (4130, 5120), (4480, 4720)]