21421398

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{187907}}^1$

素因数の和:187931

約数の個数: 16

約数和(自身を含む): 45097920

約数和(自身を除く): 23676522

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 187907, 375814, 563721, 1127442, 3570233, 7140466, 10710699, 21421398]

約数ペア:

[(1, 21421398), (2, 10710699), (3, 7140466), (6, 3570233), (19, 1127442), (38, 563721), (57, 375814), (114, 187907)]