21430518

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{187987}}^1$

素因数の和:188011

約数の個数: 16

約数和(自身を含む): 45117120

約数和(自身を除く): 23686602

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 187987, 375974, 563961, 1127922, 3571753, 7143506, 10715259, 21430518]

約数ペア:

[(1, 21430518), (2, 10715259), (3, 7143506), (6, 3571753), (19, 1127922), (38, 563961), (57, 375974), (114, 187987)]