21674991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29251}}^1$

素因数の和:29286

約数の個数: 16

約数和(自身を含む): 32762240

約数和(自身を除く): 11087249

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29251, 87753, 380263, 555769, 1140789, 1667307, 7224997, 21674991]

約数ペア:

[(1, 21674991), (3, 7224997), (13, 1667307), (19, 1140789), (39, 555769), (57, 380263), (247, 87753), (741, 29251)]