21729568

素因数分解:

$2^5\times 7^1\times {\mathrm{97007}}^1$

素因数の和:97024

約数の個数: 24

約数和(自身を含む): 48892032

約数和(自身を除く): 27162464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 97007, 194014, 388028, 679049, 776056, 1358098, 1552112, 2716196, 3104224, 5432392, 10864784, 21729568]

約数ペア:

[(1, 21729568), (2, 10864784), (4, 5432392), (7, 3104224), (8, 2716196), (14, 1552112), (16, 1358098), (28, 776056), (32, 679049), (56, 388028), (112, 194014), (224, 97007)]