21000388656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33654469}}^1$

素因数の和:33654493

約数の個数: 40

約数和(自身を含む): 58424159920

約数和(自身を除く): 37423771264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33654469, 67308938, 100963407, 134617876, 201926814, 269235752, 403853628, 437508097, 538471504, 807707256, 875016194, 1312524291, 1615414512, 1750032388, 2625048582, 3500064776, 5250097164, 7000129552, 10500194328, 21000388656]

約数ペア:

[(1, 21000388656), (2, 10500194328), (3, 7000129552), (4, 5250097164), (6, 3500064776), (8, 2625048582), (12, 1750032388), (13, 1615414512), (16, 1312524291), (24, 875016194), (26, 807707256), (39, 538471504), (48, 437508097), (52, 403853628), (78, 269235752), (104, 201926814), (156, 134617876), (208, 100963407), (312, 67308938), (624, 33654469)]