21294378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169003}}^1$

素因数の和:169018

約数の個数: 24

約数和(自身を含む): 52729248

約数和(自身を除く): 31434870

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169003, 338006, 507009, 1014018, 1183021, 1521027, 2366042, 3042054, 3549063, 7098126, 10647189, 21294378]

約数ペア:

[(1, 21294378), (2, 10647189), (3, 7098126), (6, 3549063), (7, 3042054), (9, 2366042), (14, 1521027), (18, 1183021), (21, 1014018), (42, 507009), (63, 338006), (126, 169003)]