10920021

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1571}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 16700928

約数和(自身を除く): 5780907

約数列:

[1, 3, 7, 21, 331, 993, 1571, 2317, 4713, 6951, 10997, 32991, 520001, 1560003, 3640007, 10920021]

約数ペア:

[(1, 10920021), (3, 3640007), (7, 1560003), (21, 520001), (331, 32991), (993, 10997), (1571, 6951), (2317, 4713)]