21923279

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 25766400

約数和(自身を除く): 3843121

約数列:

[1, 7, 59, 109, 413, 487, 763, 3409, 6431, 28733, 45017, 53083, 201131, 371581, 3131897, 21923279]

約数ペア:

[(1, 21923279), (7, 3131897), (59, 371581), (109, 201131), (413, 53083), (487, 45017), (763, 28733), (3409, 6431)]