21093021

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41117}}^1$

素因数の和:41145

約数の個数: 16

約数和(自身を含む): 32894400

約数和(自身を除く): 11801379

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41117, 123351, 370053, 781223, 1110159, 2343669, 7031007, 21093021]

約数ペア:

[(1, 21093021), (3, 7031007), (9, 2343669), (19, 1110159), (27, 781223), (57, 370053), (171, 123351), (513, 41117)]