21320054

素因数分解:

$2^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{3517}}^1$

素因数の和:3959

約数の個数: 16

約数和(自身を含む): 36643488

約数和(自身を除く): 15323434

約数列:

[1, 2, 7, 14, 433, 866, 3031, 3517, 6062, 7034, 24619, 49238, 1522861, 3045722, 10660027, 21320054]

約数ペア:

[(1, 21320054), (2, 10660027), (7, 3045722), (14, 1522861), (433, 49238), (866, 24619), (3031, 7034), (3517, 6062)]