21438678

素因数分解:

$2^1\times 3^1\times {\mathrm{151}}^1\times {\mathrm{23663}}^1$

素因数の和:23819

約数の個数: 16

約数和(自身を含む): 43163136

約数和(自身を除く): 21724458

約数列:

[1, 2, 3, 6, 151, 302, 453, 906, 23663, 47326, 70989, 141978, 3573113, 7146226, 10719339, 21438678]

約数ペア:

[(1, 21438678), (2, 10719339), (3, 7146226), (6, 3573113), (151, 141978), (302, 70989), (453, 47326), (906, 23663)]