21871266

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51341}}^1$

素因数の和:51417

約数の個数: 16

約数和(自身を含む): 44359488

約数和(自身を除く): 22488222

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51341, 102682, 154023, 308046, 3645211, 7290422, 10935633, 21871266]

約数ペア:

[(1, 21871266), (2, 10935633), (3, 7290422), (6, 3645211), (71, 308046), (142, 154023), (213, 102682), (426, 51341)]