21983143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6529}}^1$

素因数の和:6586

約数の個数: 16

約数和(自身を含む): 27791680

約数和(自身を除く): 5808537

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6529, 45703, 84877, 241573, 594139, 1691011, 3140449, 21983143]

約数ペア:

[(1, 21983143), (7, 3140449), (13, 1691011), (37, 594139), (91, 241573), (259, 84877), (481, 45703), (3367, 6529)]