8400126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{200003}}^1$

素因数の和:200015

約数の個数: 16

約数和(自身を含む): 19200384

約数和(自身を除く): 10800258

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 200003, 400006, 600009, 1200018, 1400021, 2800042, 4200063, 8400126]

約数ペア:

[(1, 8400126), (2, 4200063), (3, 2800042), (6, 1400021), (7, 1200018), (14, 600009), (21, 400006), (42, 200003)]