21980663

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 2384137

約数列:

[1, 19, 23, 179, 281, 437, 3401, 4117, 5339, 6463, 50299, 78223, 122797, 955681, 1156877, 21980663]

約数ペア:

[(1, 21980663), (19, 1156877), (23, 955681), (179, 122797), (281, 78223), (437, 50299), (3401, 6463), (4117, 5339)]