21385126

素因数分解:

$2^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{3001}}^1$

素因数の和:3519

約数の個数: 16

約数和(自身を含む): 36744480

約数和(自身を除く): 15359354

約数列:

[1, 2, 7, 14, 509, 1018, 3001, 3563, 6002, 7126, 21007, 42014, 1527509, 3055018, 10692563, 21385126]

約数ペア:

[(1, 21385126), (2, 10692563), (7, 3055018), (14, 1527509), (509, 42014), (1018, 21007), (3001, 7126), (3563, 6002)]