21973994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82609}}^1$

素因数の和:82637

約数の個数: 16

約数和(自身を含む): 39652800

約数和(自身を除く): 17678806

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82609, 165218, 578263, 1156526, 1569571, 3139142, 10986997, 21973994]

約数ペア:

[(1, 21973994), (2, 10986997), (7, 3139142), (14, 1569571), (19, 1156526), (38, 578263), (133, 165218), (266, 82609)]