21190839936

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7883497}}^1$

素因数の和:7883521

約数の個数: 64

約数和(自身を含む): 64329343680

約数和(自身を除く): 43138503744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7883497, 15766994, 23650491, 31533988, 47300982, 55184479, 63067976, 94601964, 110368958, 126135952, 165553437, 189203928, 220737916, 252271904, 331106874, 378407856, 441475832, 504543808, 662213748, 756815712, 882951664, 1009087616, 1324427496, 1513631424, 1765903328, 2648854992, 3027262848, 3531806656, 5297709984, 7063613312, 10595419968, 21190839936]

約数ペア:

[(1, 21190839936), (2, 10595419968), (3, 7063613312), (4, 5297709984), (6, 3531806656), (7, 3027262848), (8, 2648854992), (12, 1765903328), (14, 1513631424), (16, 1324427496), (21, 1009087616), (24, 882951664), (28, 756815712), (32, 662213748), (42, 504543808), (48, 441475832), (56, 378407856), (64, 331106874), (84, 252271904), (96, 220737916), (112, 189203928), (128, 165553437), (168, 126135952), (192, 110368958), (224, 94601964), (336, 63067976), (384, 55184479), (448, 47300982), (672, 31533988), (896, 23650491), (1344, 15766994), (2688, 7883497)]