21296510

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4373}}^1$

素因数の和:4867

約数の個数: 16

約数和(自身を含む): 38421216

約数和(自身を除く): 17124706

約数列:

[1, 2, 5, 10, 487, 974, 2435, 4373, 4870, 8746, 21865, 43730, 2129651, 4259302, 10648255, 21296510]

約数ペア:

[(1, 21296510), (2, 10648255), (5, 4259302), (10, 2129651), (487, 43730), (974, 21865), (2435, 8746), (4373, 4870)]