21620744

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{62851}}^1$

素因数の和:62900

約数の個数: 16

約数和(自身を含む): 41482320

約数和(自身を除く): 19861576

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 62851, 125702, 251404, 502808, 2702593, 5405186, 10810372, 21620744]

約数ペア:

[(1, 21620744), (2, 10810372), (4, 5405186), (8, 2702593), (43, 502808), (86, 251404), (172, 125702), (344, 62851)]