21331089

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 33341672

約数和(自身を除く): 12010583

約数列:

[1, 3, 9, 13, 39, 117, 337, 541, 1011, 1623, 3033, 4381, 4869, 7033, 13143, 21099, 39429, 63297, 182317, 546951, 1640853, 2370121, 7110363, 21331089]

約数ペア:

[(1, 21331089), (3, 7110363), (9, 2370121), (13, 1640853), (39, 546951), (117, 182317), (337, 63297), (541, 39429), (1011, 21099), (1623, 13143), (3033, 7033), (4381, 4869)]