21893912

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{25577}}^1$

素因数の和:25690

約数の個数: 16

約数和(自身を含む): 41436360

約数和(自身を除く): 19542448

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 25577, 51154, 102308, 204616, 2736739, 5473478, 10946956, 21893912]

約数ペア:

[(1, 21893912), (2, 10946956), (4, 5473478), (8, 2736739), (107, 204616), (214, 102308), (428, 51154), (856, 25577)]