21259506

素因数分解:

$2^1\times 3^1\times {\mathrm{431}}^1\times {\mathrm{8221}}^1$

素因数の和:8657

約数の個数: 16

約数和(自身を含む): 42622848

約数和(自身を除く): 21363342

約数列:

[1, 2, 3, 6, 431, 862, 1293, 2586, 8221, 16442, 24663, 49326, 3543251, 7086502, 10629753, 21259506]

約数ペア:

[(1, 21259506), (2, 10629753), (3, 7086502), (6, 3543251), (431, 49326), (862, 24663), (1293, 16442), (2586, 8221)]