21853664

素因数分解:

$2^5\times 7^1\times {\mathrm{97561}}^1$

素因数の和:97578

約数の個数: 24

約数和(自身を含む): 49171248

約数和(自身を除く): 27317584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 97561, 195122, 390244, 682927, 780488, 1365854, 1560976, 2731708, 3121952, 5463416, 10926832, 21853664]

約数ペア:

[(1, 21853664), (2, 10926832), (4, 5463416), (7, 3121952), (8, 2731708), (14, 1560976), (16, 1365854), (28, 780488), (32, 682927), (56, 390244), (112, 195122), (224, 97561)]