21000906402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500021581}}^1$

素因数の和:500021593

約数の個数: 16

約数和(自身を含む): 48002071872

約数和(自身を除く): 27001165470

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500021581, 1000043162, 1500064743, 3000129486, 3500151067, 7000302134, 10500453201, 21000906402]

約数ペア:

[(1, 21000906402), (2, 10500453201), (3, 7000302134), (6, 3500151067), (7, 3000129486), (14, 1500064743), (21, 1000043162), (42, 500021581)]