21508656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34469}}^1$

素因数の和:34493

約数の個数: 40

約数和(自身を含む): 59839920

約数和(自身を除く): 38331264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34469, 68938, 103407, 137876, 206814, 275752, 413628, 448097, 551504, 827256, 896194, 1344291, 1654512, 1792388, 2688582, 3584776, 5377164, 7169552, 10754328, 21508656]

約数ペア:

[(1, 21508656), (2, 10754328), (3, 7169552), (4, 5377164), (6, 3584776), (8, 2688582), (12, 1792388), (13, 1654512), (16, 1344291), (24, 896194), (26, 827256), (39, 551504), (48, 448097), (52, 413628), (78, 275752), (104, 206814), (156, 137876), (208, 103407), (312, 68938), (624, 34469)]