21654232

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 42048720

約数和(自身を除く): 20394488

約数列:

[1, 2, 4, 8, 41, 82, 107, 164, 214, 328, 428, 617, 856, 1234, 2468, 4387, 4936, 8774, 17548, 25297, 35096, 50594, 66019, 101188, 132038, 202376, 264076, 528152, 2706779, 5413558, 10827116, 21654232]

約数ペア:

[(1, 21654232), (2, 10827116), (4, 5413558), (8, 2706779), (41, 528152), (82, 264076), (107, 202376), (164, 132038), (214, 101188), (328, 66019), (428, 50594), (617, 35096), (856, 25297), (1234, 17548), (2468, 8774), (4387, 4936)]