21342657

素因数分解:

$3^1\times 7^1\times {\mathrm{967}}^1\times {\mathrm{1051}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 32586752

約数和(自身を除く): 11244095

約数列:

[1, 3, 7, 21, 967, 1051, 2901, 3153, 6769, 7357, 20307, 22071, 1016317, 3048951, 7114219, 21342657]

約数ペア:

[(1, 21342657), (3, 7114219), (7, 3048951), (21, 1016317), (967, 22071), (1051, 20307), (2901, 7357), (3153, 6769)]