21344000

素因数分解:

$2^8\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 144

約数和(自身を含む): 57395520

約数和(自身を除く): 36051520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 29, 32, 40, 46, 50, 58, 64, 80, 92, 100, 115, 116, 125, 128, 145, 160, 184, 200, 230, 232, 250, 256, 290, 320, 368, 400, 460, 464, 500, 575, 580, 640, 667, 725, 736, 800, 920, 928, 1000, 1150, 1160, 1280, 1334, 1450, 1472, 1600, 1840, 1856, 2000, 2300, 2320, 2668, 2875, 2900, 2944, 3200, 3335, 3625, 3680, 3712, 4000, 4600, 4640, 5336, 5750, 5800, 5888, 6400, 6670, 7250, 7360, 7424, 8000, 9200, 9280, 10672, 11500, 11600, 13340, 14500, 14720, 16000, 16675, 18400, 18560, 21344, 23000, 23200, 26680, 29000, 29440, 32000, 33350, 36800, 37120, 42688, 46000, 46400, 53360, 58000, 66700, 73600, 83375, 85376, 92000, 92800, 106720, 116000, 133400, 147200, 166750, 170752, 184000, 185600, 213440, 232000, 266800, 333500, 368000, 426880, 464000, 533600, 667000, 736000, 853760, 928000, 1067200, 1334000, 2134400, 2668000, 4268800, 5336000, 10672000, 21344000]

約数ペア:

[(1, 21344000), (2, 10672000), (4, 5336000), (5, 4268800), (8, 2668000), (10, 2134400), (16, 1334000), (20, 1067200), (23, 928000), (25, 853760), (29, 736000), (32, 667000), (40, 533600), (46, 464000), (50, 426880), (58, 368000), (64, 333500), (80, 266800), (92, 232000), (100, 213440), (115, 185600), (116, 184000), (125, 170752), (128, 166750), (145, 147200), (160, 133400), (184, 116000), (200, 106720), (230, 92800), (232, 92000), (250, 85376), (256, 83375), (290, 73600), (320, 66700), (368, 58000), (400, 53360), (460, 46400), (464, 46000), (500, 42688), (575, 37120), (580, 36800), (640, 33350), (667, 32000), (725, 29440), (736, 29000), (800, 26680), (920, 23200), (928, 23000), (1000, 21344), (1150, 18560), (1160, 18400), (1280, 16675), (1334, 16000), (1450, 14720), (1472, 14500), (1600, 13340), (1840, 11600), (1856, 11500), (2000, 10672), (2300, 9280), (2320, 9200), (2668, 8000), (2875, 7424), (2900, 7360), (2944, 7250), (3200, 6670), (3335, 6400), (3625, 5888), (3680, 5800), (3712, 5750), (4000, 5336), (4600, 4640)]