215091721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{1531}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 236271168

約数和(自身を除く): 21179447

約数列:

[1, 13, 101, 107, 1313, 1391, 1531, 10807, 19903, 140491, 154631, 163817, 2010203, 2129621, 16545517, 215091721]

約数ペア:

[(1, 215091721), (13, 16545517), (101, 2129621), (107, 2010203), (1313, 163817), (1391, 154631), (1531, 140491), (10807, 19903)]