21249499

素因数分解:

${\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:282

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 1329701

約数列:

[1, 47, 59, 79, 97, 2773, 3713, 4559, 4661, 5723, 7663, 219067, 268981, 360161, 452117, 21249499]

約数ペア:

[(1, 21249499), (47, 452117), (59, 360161), (79, 268981), (97, 219067), (2773, 7663), (3713, 5723), (4559, 4661)]