11721215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4021}}^1$

素因数の和:4090

約数の個数: 16

約数和(自身を含む): 15637536

約数和(自身を除く): 3916321

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 4021, 20105, 44231, 213113, 221155, 1065565, 2344243, 11721215]

約数ペア:

[(1, 11721215), (5, 2344243), (11, 1065565), (53, 221155), (55, 213113), (265, 44231), (583, 20105), (2915, 4021)]