21000478593

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5498947}}^1$

素因数の和:5499036

約数の個数: 16

約数和(自身を含む): 29914277120

約数和(自身を除く): 8913798527

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5498947, 16496841, 104479993, 313439979, 368429449, 1105288347, 7000159531, 21000478593]

約数ペア:

[(1, 21000478593), (3, 7000159531), (19, 1105288347), (57, 368429449), (67, 313439979), (201, 104479993), (1273, 16496841), (3819, 5498947)]