21416705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3821}}^1$

素因数の和:3904

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 6101695

約数列:

[1, 5, 19, 59, 95, 295, 1121, 3821, 5605, 19105, 72599, 225439, 362995, 1127195, 4283341, 21416705]

約数ペア:

[(1, 21416705), (5, 4283341), (19, 1127195), (59, 362995), (95, 225439), (295, 72599), (1121, 19105), (3821, 5605)]