21495159

素因数分解:

$3^3\times 7^1\times {\mathrm{113731}}^1$

素因数の和:113747

約数の個数: 16

約数和(自身を含む): 36394240

約数和(自身を除く): 14899081

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 113731, 341193, 796117, 1023579, 2388351, 3070737, 7165053, 21495159]

約数ペア:

[(1, 21495159), (3, 7165053), (7, 3070737), (9, 2388351), (21, 1023579), (27, 796117), (63, 341193), (189, 113731)]