21348800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1246

約数の個数: 84

約数和(自身を含む): 57354216

約数和(自身を除く): 36005416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1213, 1600, 1760, 2200, 2426, 3520, 4400, 4852, 6065, 8800, 9704, 12130, 13343, 17600, 19408, 24260, 26686, 30325, 38816, 48520, 53372, 60650, 66715, 77632, 97040, 106744, 121300, 133430, 194080, 213488, 242600, 266860, 333575, 388160, 426976, 485200, 533720, 667150, 853952, 970400, 1067440, 1334300, 1940800, 2134880, 2668600, 4269760, 5337200, 10674400, 21348800]

約数ペア:

[(1, 21348800), (2, 10674400), (4, 5337200), (5, 4269760), (8, 2668600), (10, 2134880), (11, 1940800), (16, 1334300), (20, 1067440), (22, 970400), (25, 853952), (32, 667150), (40, 533720), (44, 485200), (50, 426976), (55, 388160), (64, 333575), (80, 266860), (88, 242600), (100, 213488), (110, 194080), (160, 133430), (176, 121300), (200, 106744), (220, 97040), (275, 77632), (320, 66715), (352, 60650), (400, 53372), (440, 48520), (550, 38816), (704, 30325), (800, 26686), (880, 24260), (1100, 19408), (1213, 17600), (1600, 13343), (1760, 12130), (2200, 9704), (2426, 8800), (3520, 6065), (4400, 4852)]