21203042

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35221}}^1$

素因数の和:35273

約数の個数: 16

約数和(自身を含む): 37194432

約数和(自身を除く): 15991390

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 35221, 70442, 246547, 493094, 1514503, 3029006, 10601521, 21203042]

約数ペア:

[(1, 21203042), (2, 10601521), (7, 3029006), (14, 1514503), (43, 493094), (86, 246547), (301, 70442), (602, 35221)]