21000718552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238644529}}^1$

素因数の和:238644546

約数の個数: 16

約数和(自身を含む): 42956015400

約数和(自身を除く): 21955296848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238644529, 477289058, 954578116, 1909156232, 2625089819, 5250179638, 10500359276, 21000718552]

約数ペア:

[(1, 21000718552), (2, 10500359276), (4, 5250179638), (8, 2625089819), (11, 1909156232), (22, 954578116), (44, 477289058), (88, 238644529)]