21081081

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14983}}^1$

素因数の和:15060

約数の個数: 16

約数和(自身を含む): 32605184

約数和(自身を除く): 11524103

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14983, 44949, 104881, 314643, 1003861, 3011583, 7027027, 21081081]

約数ペア:

[(1, 21081081), (3, 7027027), (7, 3011583), (21, 1003861), (67, 314643), (201, 104881), (469, 44949), (1407, 14983)]