21942963

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{919}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 36358400

約数和(自身を除く): 14415437

約数列:

[1, 3, 7, 9, 21, 63, 379, 919, 1137, 2653, 2757, 3411, 6433, 7959, 8271, 19299, 23877, 57897, 348301, 1044903, 2438107, 3134709, 7314321, 21942963]

約数ペア:

[(1, 21942963), (3, 7314321), (7, 3134709), (9, 2438107), (21, 1044903), (63, 348301), (379, 57897), (919, 23877), (1137, 19299), (2653, 8271), (2757, 7959), (3411, 6433)]