21270528

素因数分解:

$2^{12}\times 3^2\times {\mathrm{577}}^1$

素因数の和:607

約数の個数: 78

約数和(自身を含む): 61547174

約数和(自身を除く): 40276646

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 577, 768, 1024, 1152, 1154, 1536, 1731, 2048, 2304, 2308, 3072, 3462, 4096, 4608, 4616, 5193, 6144, 6924, 9216, 9232, 10386, 12288, 13848, 18432, 18464, 20772, 27696, 36864, 36928, 41544, 55392, 73856, 83088, 110784, 147712, 166176, 221568, 295424, 332352, 443136, 590848, 664704, 886272, 1181696, 1329408, 1772544, 2363392, 2658816, 3545088, 5317632, 7090176, 10635264, 21270528]

約数ペア:

[(1, 21270528), (2, 10635264), (3, 7090176), (4, 5317632), (6, 3545088), (8, 2658816), (9, 2363392), (12, 1772544), (16, 1329408), (18, 1181696), (24, 886272), (32, 664704), (36, 590848), (48, 443136), (64, 332352), (72, 295424), (96, 221568), (128, 166176), (144, 147712), (192, 110784), (256, 83088), (288, 73856), (384, 55392), (512, 41544), (576, 36928), (577, 36864), (768, 27696), (1024, 20772), (1152, 18464), (1154, 18432), (1536, 13848), (1731, 12288), (2048, 10386), (2304, 9232), (2308, 9216), (3072, 6924), (3462, 6144), (4096, 5193), (4608, 4616)]