21966335

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5405185

約数列:

[1, 5, 43, 71, 215, 355, 1439, 3053, 7195, 15265, 61877, 102169, 309385, 510845, 4393267, 21966335]

約数ペア:

[(1, 21966335), (5, 4393267), (43, 510845), (71, 309385), (215, 102169), (355, 61877), (1439, 15265), (3053, 7195)]