21869463

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5569}}^1$

素因数の和:5607

約数の個数: 32

約数和(自身を含む): 38499840

約数和(自身を除く): 16630377

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5569, 16707, 38983, 61259, 94673, 116949, 183777, 284019, 428813, 662711, 1041403, 1286439, 1988133, 3124209, 7289821, 21869463]

約数ペア:

[(1, 21869463), (3, 7289821), (7, 3124209), (11, 1988133), (17, 1286439), (21, 1041403), (33, 662711), (51, 428813), (77, 284019), (119, 183777), (187, 116949), (231, 94673), (357, 61259), (561, 38983), (1309, 16707), (3927, 5569)]