21000612369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{115769}}^1$

素因数の和:116045

約数の個数: 32

約数和(自身を含む): 32008089600

約数和(自身を除く): 11007477231

約数列:

[1, 3, 11, 23, 33, 69, 239, 253, 717, 759, 2629, 5497, 7887, 16491, 60467, 115769, 181401, 347307, 1273459, 2662687, 3820377, 7988061, 27668791, 29289557, 83006373, 87868671, 304356701, 636382193, 913070103, 1909146579, 7000204123, 21000612369]

約数ペア:

[(1, 21000612369), (3, 7000204123), (11, 1909146579), (23, 913070103), (33, 636382193), (69, 304356701), (239, 87868671), (253, 83006373), (717, 29289557), (759, 27668791), (2629, 7988061), (5497, 3820377), (7887, 2662687), (16491, 1273459), (60467, 347307), (115769, 181401)]