21043241

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 23150400

約数和(自身を除く): 2107159

約数列:

[1, 19, 29, 181, 211, 551, 3439, 4009, 5249, 6119, 38191, 99731, 116261, 725629, 1107539, 21043241]

約数ペア:

[(1, 21043241), (19, 1107539), (29, 725629), (181, 116261), (211, 99731), (551, 38191), (3439, 6119), (4009, 5249)]