21462111

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 13558689

約数列:

[1, 3, 9, 11, 27, 33, 99, 127, 297, 381, 569, 1143, 1397, 1707, 3429, 4191, 5121, 6259, 12573, 15363, 18777, 37719, 56331, 72263, 168993, 216789, 650367, 794893, 1951101, 2384679, 7154037, 21462111]

約数ペア:

[(1, 21462111), (3, 7154037), (9, 2384679), (11, 1951101), (27, 794893), (33, 650367), (99, 216789), (127, 168993), (297, 72263), (381, 56331), (569, 37719), (1143, 18777), (1397, 15363), (1707, 12573), (3429, 6259), (4191, 5121)]