21126126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503003}}^1$

素因数の和:503015

約数の個数: 16

約数和(自身を含む): 48288384

約数和(自身を除く): 27162258

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503003, 1006006, 1509009, 3018018, 3521021, 7042042, 10563063, 21126126]

約数ペア:

[(1, 21126126), (2, 10563063), (3, 7042042), (6, 3521021), (7, 3018018), (14, 1509009), (21, 1006006), (42, 503003)]