21424074

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72871}}^1$

素因数の和:72890

約数の個数: 24

約数和(自身を含む): 49844448

約数和(自身を除く): 28420374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72871, 145742, 218613, 437226, 510097, 1020194, 1530291, 3060582, 3570679, 7141358, 10712037, 21424074]

約数ペア:

[(1, 21424074), (2, 10712037), (3, 7141358), (6, 3570679), (7, 3060582), (14, 1530291), (21, 1020194), (42, 510097), (49, 437226), (98, 218613), (147, 145742), (294, 72871)]