21949579

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2000501

約数列:

[1, 19, 53, 71, 307, 1007, 1349, 3763, 5833, 16271, 21797, 71497, 309149, 414143, 1155241, 21949579]

約数ペア:

[(1, 21949579), (19, 1155241), (53, 414143), (71, 309149), (307, 71497), (1007, 21797), (1349, 16271), (3763, 5833)]