21467776

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 47491200

約数和(自身を除く): 26023424

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 158, 176, 193, 316, 352, 386, 632, 704, 772, 869, 1264, 1408, 1544, 1738, 2123, 2528, 3088, 3476, 4246, 5056, 6176, 6952, 8492, 10112, 12352, 13904, 15247, 16984, 24704, 27808, 30494, 33968, 55616, 60988, 67936, 111232, 121976, 135872, 167717, 243952, 271744, 335434, 487904, 670868, 975808, 1341736, 1951616, 2683472, 5366944, 10733888, 21467776]

約数ペア:

[(1, 21467776), (2, 10733888), (4, 5366944), (8, 2683472), (11, 1951616), (16, 1341736), (22, 975808), (32, 670868), (44, 487904), (64, 335434), (79, 271744), (88, 243952), (128, 167717), (158, 135872), (176, 121976), (193, 111232), (316, 67936), (352, 60988), (386, 55616), (632, 33968), (704, 30494), (772, 27808), (869, 24704), (1264, 16984), (1408, 15247), (1544, 13904), (1738, 12352), (2123, 10112), (2528, 8492), (3088, 6952), (3476, 6176), (4246, 5056)]