21830739

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1049}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 33331200

約数和(自身を除く): 11500461

約数列:

[1, 3, 7, 21, 991, 1049, 2973, 3147, 6937, 7343, 20811, 22029, 1039559, 3118677, 7276913, 21830739]

約数ペア:

[(1, 21830739), (3, 7276913), (7, 3118677), (21, 1039559), (991, 22029), (1049, 20811), (2973, 7343), (3147, 6937)]