21338800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7646

約数の個数: 60

約数和(自身を含む): 58597936

約数和(自身を除く): 37259136

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, 7621, 15242, 30484, 38105, 53347, 60968, 76210, 106694, 121936, 152420, 190525, 213388, 266735, 304840, 381050, 426776, 533470, 609680, 762100, 853552, 1066940, 1333675, 1524200, 2133880, 2667350, 3048400, 4267760, 5334700, 10669400, 21338800]

約数ペア:

[(1, 21338800), (2, 10669400), (4, 5334700), (5, 4267760), (7, 3048400), (8, 2667350), (10, 2133880), (14, 1524200), (16, 1333675), (20, 1066940), (25, 853552), (28, 762100), (35, 609680), (40, 533470), (50, 426776), (56, 381050), (70, 304840), (80, 266735), (100, 213388), (112, 190525), (140, 152420), (175, 121936), (200, 106694), (280, 76210), (350, 60968), (400, 53347), (560, 38105), (700, 30484), (1400, 15242), (2800, 7621)]