21032539

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 24339456

約数和(自身を除く): 3306917

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1667, 12617, 18337, 51677, 61679, 568447, 678469, 1912049, 21032539]

約数ペア:

[(1, 21032539), (11, 1912049), (31, 678469), (37, 568447), (341, 61679), (407, 51677), (1147, 18337), (1667, 12617)]