21363712

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:724

約数の個数: 44

約数和(自身を含む): 44149696

約数和(自身を除く): 22785984

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 673, 992, 1024, 1346, 1984, 2692, 3968, 5384, 7936, 10768, 15872, 20863, 21536, 31744, 41726, 43072, 83452, 86144, 166904, 172288, 333808, 344576, 667616, 689152, 1335232, 2670464, 5340928, 10681856, 21363712]

約数ペア:

[(1, 21363712), (2, 10681856), (4, 5340928), (8, 2670464), (16, 1335232), (31, 689152), (32, 667616), (62, 344576), (64, 333808), (124, 172288), (128, 166904), (248, 86144), (256, 83452), (496, 43072), (512, 41726), (673, 31744), (992, 21536), (1024, 20863), (1346, 15872), (1984, 10768), (2692, 7936), (3968, 5384)]