21953176

素因数分解:

$2^3\times 7^2\times {\mathrm{56003}}^1$

素因数の和:56023

約数の個数: 24

約数和(自身を含む): 47883420

約数和(自身を除く): 25930244

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 56003, 112006, 224012, 392021, 448024, 784042, 1568084, 2744147, 3136168, 5488294, 10976588, 21953176]

約数ペア:

[(1, 21953176), (2, 10976588), (4, 5488294), (7, 3136168), (8, 2744147), (14, 1568084), (28, 784042), (49, 448024), (56, 392021), (98, 224012), (196, 112006), (392, 56003)]