21126092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{406271}}^1$

素因数の和:406288

約数の個数: 12

約数和(自身を含む): 39814656

約数和(自身を除く): 18688564

約数列:

[1, 2, 4, 13, 26, 52, 406271, 812542, 1625084, 5281523, 10563046, 21126092]

約数ペア:

[(1, 21126092), (2, 10563046), (4, 5281523), (13, 1625084), (26, 812542), (52, 406271)]