21902801

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 24115200

約数和(自身を除く): 2212399

約数列:

[1, 19, 29, 127, 313, 551, 2413, 3683, 5947, 9077, 39751, 69977, 172463, 755269, 1152779, 21902801]

約数ペア:

[(1, 21902801), (19, 1152779), (29, 755269), (127, 172463), (313, 69977), (551, 39751), (2413, 9077), (3683, 5947)]