21303976

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37507}}^1$

素因数の和:37584

約数の個数: 16

約数和(自身を含む): 40508640

約数和(自身を除く): 19204664

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37507, 75014, 150028, 300056, 2662997, 5325994, 10651988, 21303976]

約数ペア:

[(1, 21303976), (2, 10651988), (4, 5325994), (8, 2662997), (71, 300056), (142, 150028), (284, 75014), (568, 37507)]