21671419

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14813}}^1$

素因数の和:14850

約数の個数: 16

約数和(自身を含む): 28442880

約数和(自身を除く): 6771461

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14813, 103691, 162943, 281447, 1140601, 1970129, 3095917, 21671419]

約数ペア:

[(1, 21671419), (7, 3095917), (11, 1970129), (19, 1140601), (77, 281447), (133, 162943), (209, 103691), (1463, 14813)]