21215672377

素因数分解:

${\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1\times {\mathrm{3691}}^1$

素因数の和:4944

約数の個数: 16

約数和(自身を含む): 21834783360

約数和(自身を除く): 619110983

約数列:

[1, 71, 73, 1109, 3691, 5183, 78739, 80957, 262061, 269443, 4093319, 5747947, 19130453, 290625649, 298812287, 21215672377]

約数ペア:

[(1, 21215672377), (71, 298812287), (73, 290625649), (1109, 19130453), (3691, 5747947), (5183, 4093319), (78739, 269443), (80957, 262061)]