21867923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3191}}^1$

素因数の和:3298

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 5710957

約数列:

[1, 7, 11, 77, 89, 623, 979, 3191, 6853, 22337, 35101, 245707, 283999, 1987993, 3123989, 21867923]

約数ペア:

[(1, 21867923), (7, 3123989), (11, 1987993), (77, 283999), (89, 245707), (623, 35101), (979, 22337), (3191, 6853)]