21120064

素因数分解:

$2^6\times 7^1\times {\mathrm{47143}}^1$

素因数の和:47162

約数の個数: 28

約数和(自身を含む): 47898304

約数和(自身を除く): 26778240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47143, 94286, 188572, 330001, 377144, 660002, 754288, 1320004, 1508576, 2640008, 3017152, 5280016, 10560032, 21120064]

約数ペア:

[(1, 21120064), (2, 10560032), (4, 5280016), (7, 3017152), (8, 2640008), (14, 1508576), (16, 1320004), (28, 754288), (32, 660002), (56, 377144), (64, 330001), (112, 188572), (224, 94286), (448, 47143)]