21029888

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{1867}}^1$

素因数の和:1898

約数の個数: 44

約数和(自身を含む): 45885552

約数和(自身を除く): 24855664

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1024, 1408, 1867, 2816, 3734, 5632, 7468, 11264, 14936, 20537, 29872, 41074, 59744, 82148, 119488, 164296, 238976, 328592, 477952, 657184, 955904, 1314368, 1911808, 2628736, 5257472, 10514944, 21029888]

約数ペア:

[(1, 21029888), (2, 10514944), (4, 5257472), (8, 2628736), (11, 1911808), (16, 1314368), (22, 955904), (32, 657184), (44, 477952), (64, 328592), (88, 238976), (128, 164296), (176, 119488), (256, 82148), (352, 59744), (512, 41074), (704, 29872), (1024, 20537), (1408, 14936), (1867, 11264), (2816, 7468), (3734, 5632)]