21507906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{512093}}^1$

素因数の和:512105

約数の個数: 16

約数和(自身を含む): 49161024

約数和(自身を除く): 27653118

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 512093, 1024186, 1536279, 3072558, 3584651, 7169302, 10753953, 21507906]

約数ペア:

[(1, 21507906), (2, 10753953), (3, 7169302), (6, 3584651), (7, 3072558), (14, 1536279), (21, 1024186), (42, 512093)]