21969872

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{3623}}^1$

素因数の和:4010

約数の個数: 20

約数和(自身を含む): 42690720

約数和(自身を除く): 20720848

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 3623, 6064, 7246, 14492, 28984, 57968, 1373117, 2746234, 5492468, 10984936, 21969872]

約数ペア:

[(1, 21969872), (2, 10984936), (4, 5492468), (8, 2746234), (16, 1373117), (379, 57968), (758, 28984), (1516, 14492), (3032, 7246), (3623, 6064)]