21476555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1249}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 27300000

約数和(自身を除く): 5823445

約数列:

[1, 5, 19, 95, 181, 905, 1249, 3439, 6245, 17195, 23731, 118655, 226069, 1130345, 4295311, 21476555]

約数ペア:

[(1, 21476555), (5, 4295311), (19, 1130345), (95, 226069), (181, 118655), (905, 23731), (1249, 17195), (3439, 6245)]