21414215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{967}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 26577408

約数和(自身を除く): 5163193

約数列:

[1, 5, 43, 103, 215, 515, 967, 4429, 4835, 22145, 41581, 99601, 207905, 498005, 4282843, 21414215]

約数ペア:

[(1, 21414215), (5, 4282843), (43, 498005), (103, 207905), (215, 99601), (515, 41581), (967, 22145), (4429, 4835)]