21284313

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1193}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 29993280

約数和(自身を除く): 8708967

約数列:

[1, 3, 19, 57, 313, 939, 1193, 3579, 5947, 17841, 22667, 68001, 373409, 1120227, 7094771, 21284313]

約数ペア:

[(1, 21284313), (3, 7094771), (19, 1120227), (57, 373409), (313, 68001), (939, 22667), (1193, 17841), (3579, 5947)]