21433645

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 26449920

約数和(自身を除く): 5016275

約数列:

[1, 5, 47, 223, 235, 409, 1115, 2045, 10481, 19223, 52405, 91207, 96115, 456035, 4286729, 21433645]

約数ペア:

[(1, 21433645), (5, 4286729), (47, 456035), (223, 96115), (235, 91207), (409, 52405), (1115, 19223), (2045, 10481)]