21504378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{512009}}^1$

素因数の和:512021

約数の個数: 16

約数和(自身を含む): 49152960

約数和(自身を除く): 27648582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 512009, 1024018, 1536027, 3072054, 3584063, 7168126, 10752189, 21504378]

約数ペア:

[(1, 21504378), (2, 10752189), (3, 7168126), (6, 3584063), (7, 3072054), (14, 1536027), (21, 1024018), (42, 512009)]