21586869

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3079}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 33633600

約数和(自身を除く): 12046731

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 3079, 7011, 9237, 27711, 58501, 126239, 175503, 378717, 526509, 1136151, 2398541, 7195623, 21586869]

約数ペア:

[(1, 21586869), (3, 7195623), (9, 2398541), (19, 1136151), (41, 526509), (57, 378717), (123, 175503), (171, 126239), (369, 58501), (779, 27711), (2337, 9237), (3079, 7011)]