21570027

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 29402880

約数和(自身を除く): 7832853

約数列:

[1, 3, 61, 183, 311, 379, 933, 1137, 18971, 23119, 56913, 69357, 117869, 353607, 7190009, 21570027]

約数ペア:

[(1, 21570027), (3, 7190009), (61, 353607), (183, 117869), (311, 69357), (379, 56913), (933, 23119), (1137, 18971)]