21004494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500107}}^1$

素因数の和:500119

約数の個数: 16

約数和(自身を含む): 48010368

約数和(自身を除く): 27005874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500107, 1000214, 1500321, 3000642, 3500749, 7001498, 10502247, 21004494]

約数ペア:

[(1, 21004494), (2, 10502247), (3, 7001498), (6, 3500749), (7, 3000642), (14, 1500321), (21, 1000214), (42, 500107)]