21695508712

素因数分解:

$2^3\times {\mathrm{8737}}^1\times {\mathrm{310397}}^1$

素因数の和:319140

約数の個数: 16

約数和(自身を含む): 40683865860

約数和(自身を除く): 18988357148

約数列:

[1, 2, 4, 8, 8737, 17474, 34948, 69896, 310397, 620794, 1241588, 2483176, 2711938589, 5423877178, 10847754356, 21695508712]

約数ペア:

[(1, 21695508712), (2, 10847754356), (4, 5423877178), (8, 2711938589), (8737, 2483176), (17474, 1241588), (34948, 620794), (69896, 310397)]