20211919105

素因数分解:

$5^1\times 7^2\times {\mathrm{3539}}^1\times {\mathrm{23311}}^1$

素因数の和:26869

約数の個数: 24

約数和(自身を含む): 28223372160

約数和(自身を除く): 8011453055

約数列:

[1, 5, 7, 35, 49, 245, 3539, 17695, 23311, 24773, 116555, 123865, 163177, 173411, 815885, 867055, 1142239, 5711195, 82497629, 412488145, 577483403, 2887417015, 4042383821, 20211919105]

約数ペア:

[(1, 20211919105), (5, 4042383821), (7, 2887417015), (35, 577483403), (49, 412488145), (245, 82497629), (3539, 5711195), (17695, 1142239), (23311, 867055), (24773, 815885), (116555, 173411), (123865, 163177)]