21336046400

素因数分解:

$2^6\times 5^2\times {\mathrm{83}}^1\times {\mathrm{160663}}^1$

素因数の和:160768

約数の個数: 84

約数和(自身を含む): 53132870112

約数和(自身を除く): 31796823712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 160, 166, 200, 320, 332, 400, 415, 664, 800, 830, 1328, 1600, 1660, 2075, 2656, 3320, 4150, 5312, 6640, 8300, 13280, 16600, 26560, 33200, 66400, 132800, 160663, 321326, 642652, 803315, 1285304, 1606630, 2570608, 3213260, 4016575, 5141216, 6426520, 8033150, 10282432, 12853040, 13335029, 16066300, 25706080, 26670058, 32132600, 51412160, 53340116, 64265200, 66675145, 106680232, 128530400, 133350290, 213360464, 257060800, 266700580, 333375725, 426720928, 533401160, 666751450, 853441856, 1066802320, 1333502900, 2133604640, 2667005800, 4267209280, 5334011600, 10668023200, 21336046400]

約数ペア:

[(1, 21336046400), (2, 10668023200), (4, 5334011600), (5, 4267209280), (8, 2667005800), (10, 2133604640), (16, 1333502900), (20, 1066802320), (25, 853441856), (32, 666751450), (40, 533401160), (50, 426720928), (64, 333375725), (80, 266700580), (83, 257060800), (100, 213360464), (160, 133350290), (166, 128530400), (200, 106680232), (320, 66675145), (332, 64265200), (400, 53340116), (415, 51412160), (664, 32132600), (800, 26670058), (830, 25706080), (1328, 16066300), (1600, 13335029), (1660, 12853040), (2075, 10282432), (2656, 8033150), (3320, 6426520), (4150, 5141216), (5312, 4016575), (6640, 3213260), (8300, 2570608), (13280, 1606630), (16600, 1285304), (26560, 803315), (33200, 642652), (66400, 321326), (132800, 160663)]