21677784

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 57628800

約数和(自身を除く): 35951016

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 137, 152, 228, 274, 347, 411, 456, 548, 694, 822, 1041, 1096, 1388, 1644, 2082, 2603, 2776, 3288, 4164, 5206, 6593, 7809, 8328, 10412, 13186, 15618, 19779, 20824, 26372, 31236, 39558, 47539, 52744, 62472, 79116, 95078, 142617, 158232, 190156, 285234, 380312, 570468, 903241, 1140936, 1806482, 2709723, 3612964, 5419446, 7225928, 10838892, 21677784]

約数ペア:

[(1, 21677784), (2, 10838892), (3, 7225928), (4, 5419446), (6, 3612964), (8, 2709723), (12, 1806482), (19, 1140936), (24, 903241), (38, 570468), (57, 380312), (76, 285234), (114, 190156), (137, 158232), (152, 142617), (228, 95078), (274, 79116), (347, 62472), (411, 52744), (456, 47539), (548, 39558), (694, 31236), (822, 26372), (1041, 20824), (1096, 19779), (1388, 15618), (1644, 13186), (2082, 10412), (2603, 8328), (2776, 7809), (3288, 6593), (4164, 5206)]