21504056

素因数分解:

$2^3\times 7^1\times {\mathrm{384001}}^1$

素因数の和:384014

約数の個数: 16

約数和(自身を含む): 46080240

約数和(自身を除く): 24576184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384001, 768002, 1536004, 2688007, 3072008, 5376014, 10752028, 21504056]

約数ペア:

[(1, 21504056), (2, 10752028), (4, 5376014), (7, 3072008), (8, 2688007), (14, 1536004), (28, 768002), (56, 384001)]