21811552

素因数分解:

$2^5\times 7^1\times {\mathrm{97373}}^1$

素因数の和:97390

約数の個数: 24

約数和(自身を含む): 49076496

約数和(自身を除く): 27264944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 97373, 194746, 389492, 681611, 778984, 1363222, 1557968, 2726444, 3115936, 5452888, 10905776, 21811552]

約数ペア:

[(1, 21811552), (2, 10905776), (4, 5452888), (7, 3115936), (8, 2726444), (14, 1557968), (16, 1363222), (28, 778984), (32, 681611), (56, 389492), (112, 194746), (224, 97373)]