21202010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49307}}^1$

素因数の和:49357

約数の個数: 16

約数和(自身を含む): 39051936

約数和(自身を除く): 17849926

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49307, 98614, 246535, 493070, 2120201, 4240402, 10601005, 21202010]

約数ペア:

[(1, 21202010), (2, 10601005), (5, 4240402), (10, 2120201), (43, 493070), (86, 246535), (215, 98614), (430, 49307)]