21141260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151009}}^1$

素因数の和:151025

約数の個数: 24

約数和(自身を含む): 50739360

約数和(自身を除く): 29598100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151009, 302018, 604036, 755045, 1057063, 1510090, 2114126, 3020180, 4228252, 5285315, 10570630, 21141260]

約数ペア:

[(1, 21141260), (2, 10570630), (4, 5285315), (5, 4228252), (7, 3020180), (10, 2114126), (14, 1510090), (20, 1057063), (28, 755045), (35, 604036), (70, 302018), (140, 151009)]