21115826

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4019}}^1$

素因数の和:4129

約数の個数: 16

約数和(自身を含む): 32996160

約数和(自身を除く): 11880334

約数列:

[1, 2, 37, 71, 74, 142, 2627, 4019, 5254, 8038, 148703, 285349, 297406, 570698, 10557913, 21115826]

約数ペア:

[(1, 21115826), (2, 10557913), (37, 570698), (71, 297406), (74, 285349), (142, 148703), (2627, 8038), (4019, 5254)]