21528771

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2707}}^1$

素因数の和:2962

約数の個数: 16

約数和(自身を含む): 31456128

約数和(自身を除く): 9927357

約数列:

[1, 3, 11, 33, 241, 723, 2651, 2707, 7953, 8121, 29777, 89331, 652387, 1957161, 7176257, 21528771]

約数ペア:

[(1, 21528771), (3, 7176257), (11, 1957161), (33, 652387), (241, 89331), (723, 29777), (2651, 8121), (2707, 7953)]