21287922

素因数分解:

$2^1\times 3^1\times {\mathrm{443}}^1\times {\mathrm{8009}}^1$

素因数の和:8457

約数の個数: 16

約数和(自身を含む): 42677280

約数和(自身を除く): 21389358

約数列:

[1, 2, 3, 6, 443, 886, 1329, 2658, 8009, 16018, 24027, 48054, 3547987, 7095974, 10643961, 21287922]

約数ペア:

[(1, 21287922), (2, 10643961), (3, 7095974), (6, 3547987), (443, 48054), (886, 24027), (1329, 16018), (2658, 8009)]