21320274

素因数分解:

$2^1\times 3^1\times {\mathrm{499}}^1\times {\mathrm{7121}}^1$

素因数の和:7625

約数の個数: 16

約数和(自身を含む): 42732000

約数和(自身を除く): 21411726

約数列:

[1, 2, 3, 6, 499, 998, 1497, 2994, 7121, 14242, 21363, 42726, 3553379, 7106758, 10660137, 21320274]

約数ペア:

[(1, 21320274), (2, 10660137), (3, 7106758), (6, 3553379), (499, 42726), (998, 21363), (1497, 14242), (2994, 7121)]