21276230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68633}}^1$

素因数の和:68671

約数の個数: 16

約数和(自身を含む): 39533184

約数和(自身を除く): 18256954

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 68633, 137266, 343165, 686330, 2127623, 4255246, 10638115, 21276230]

約数ペア:

[(1, 21276230), (2, 10638115), (5, 4255246), (10, 2127623), (31, 686330), (62, 343165), (155, 137266), (310, 68633)]