21493783921

素因数分解:

${\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1\times {\mathrm{3217}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 21992584320

約数和(自身を除く): 498800399

約数列:

[1, 71, 139, 677, 3217, 9869, 48067, 94103, 228407, 447163, 2177909, 6681313, 31748573, 154631539, 302729351, 21493783921]

約数ペア:

[(1, 21493783921), (71, 302729351), (139, 154631539), (677, 31748573), (3217, 6681313), (9869, 2177909), (48067, 447163), (94103, 228407)]