21078106

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79241}}^1$

素因数の和:79269

約数の個数: 16

約数和(自身を含む): 38036160

約数和(自身を除く): 16958054

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79241, 158482, 554687, 1109374, 1505579, 3011158, 10539053, 21078106]

約数ペア:

[(1, 21078106), (2, 10539053), (7, 3011158), (14, 1505579), (19, 1109374), (38, 554687), (133, 158482), (266, 79241)]