21084441

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4423}}^1$

素因数の和:4660

約数の個数: 16

約数和(自身を含む): 32277504

約数和(自身を除く): 11193063

約数列:

[1, 3, 7, 21, 227, 681, 1589, 4423, 4767, 13269, 30961, 92883, 1004021, 3012063, 7028147, 21084441]

約数ペア:

[(1, 21084441), (3, 7028147), (7, 3012063), (21, 1004021), (227, 92883), (681, 30961), (1589, 13269), (4423, 4767)]