21531662398

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{7907}}^1\times {\mathrm{13219}}^1$

素因数の和:21231

約数の個数: 16

約数和(自身を含む): 32617653120

約数和(自身を除く): 11085990722

約数列:

[1, 2, 103, 206, 7907, 13219, 15814, 26438, 814421, 1361557, 1628842, 2723114, 104522633, 209045266, 10765831199, 21531662398]

約数ペア:

[(1, 21531662398), (2, 10765831199), (103, 209045266), (206, 104522633), (7907, 2723114), (13219, 1628842), (15814, 1361557), (26438, 814421)]