21232827

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1459}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 39945600

約数和(自身を除く): 18712773

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1459, 1617, 2079, 4377, 4851, 10213, 13131, 14553, 16049, 30639, 39393, 48147, 71491, 91917, 112343, 144441, 214473, 275751, 337029, 433323, 643419, 786401, 1011087, 1930257, 2359203, 3033261, 7077609, 21232827]

約数ペア:

[(1, 21232827), (3, 7077609), (7, 3033261), (9, 2359203), (11, 1930257), (21, 1011087), (27, 786401), (33, 643419), (49, 433323), (63, 337029), (77, 275751), (99, 214473), (147, 144441), (189, 112343), (231, 91917), (297, 71491), (441, 48147), (539, 39393), (693, 30639), (1323, 16049), (1459, 14553), (1617, 13131), (2079, 10213), (4377, 4851)]