21819896

素因数分解:

$2^3\times 7^2\times {\mathrm{55663}}^1$

素因数の和:55683

約数の個数: 24

約数和(自身を含む): 47592720

約数和(自身を除く): 25772824

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55663, 111326, 222652, 389641, 445304, 779282, 1558564, 2727487, 3117128, 5454974, 10909948, 21819896]

約数ペア:

[(1, 21819896), (2, 10909948), (4, 5454974), (7, 3117128), (8, 2727487), (14, 1558564), (28, 779282), (49, 445304), (56, 389641), (98, 222652), (196, 111326), (392, 55663)]