21005016

素因数分解:

$2^3\times 3^1\times {\mathrm{875209}}^1$

素因数の和:875218

約数の個数: 16

約数和(自身を含む): 52512600

約数和(自身を除く): 31507584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 875209, 1750418, 2625627, 3500836, 5251254, 7001672, 10502508, 21005016]

約数ペア:

[(1, 21005016), (2, 10502508), (3, 7001672), (4, 5251254), (6, 3500836), (8, 2625627), (12, 1750418), (24, 875209)]