21719418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{517129}}^1$

素因数の和:517141

約数の個数: 16

約数和(自身を含む): 49644480

約数和(自身を除く): 27925062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 517129, 1034258, 1551387, 3102774, 3619903, 7239806, 10859709, 21719418]

約数ペア:

[(1, 21719418), (2, 10859709), (3, 7239806), (6, 3619903), (7, 3102774), (14, 1551387), (21, 1034258), (42, 517129)]