21047712

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31321}}^1$

素因数の和:31341

約数の個数: 48

約数和(自身を含む): 63145152

約数和(自身を除く): 42097440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31321, 62642, 93963, 125284, 187926, 219247, 250568, 375852, 438494, 501136, 657741, 751704, 876988, 1002272, 1315482, 1503408, 1753976, 2630964, 3006816, 3507952, 5261928, 7015904, 10523856, 21047712]

約数ペア:

[(1, 21047712), (2, 10523856), (3, 7015904), (4, 5261928), (6, 3507952), (7, 3006816), (8, 2630964), (12, 1753976), (14, 1503408), (16, 1315482), (21, 1002272), (24, 876988), (28, 751704), (32, 657741), (42, 501136), (48, 438494), (56, 375852), (84, 250568), (96, 219247), (112, 187926), (168, 125284), (224, 93963), (336, 62642), (672, 31321)]