21087912

素因数分解:

$2^3\times 3^1\times {\mathrm{878663}}^1$

素因数の和:878672

約数の個数: 16

約数和(自身を含む): 52719840

約数和(自身を除く): 31631928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 878663, 1757326, 2635989, 3514652, 5271978, 7029304, 10543956, 21087912]

約数ペア:

[(1, 21087912), (2, 10543956), (3, 7029304), (4, 5271978), (6, 3514652), (8, 2635989), (12, 1757326), (24, 878663)]