21009468

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24659}}^1$

素因数の和:24737

約数の個数: 24

約数和(自身を含む): 49714560

約数和(自身を除く): 28705092

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24659, 49318, 73977, 98636, 147954, 295908, 1750789, 3501578, 5252367, 7003156, 10504734, 21009468]

約数ペア:

[(1, 21009468), (2, 10504734), (3, 7003156), (4, 5252367), (6, 3501578), (12, 1750789), (71, 295908), (142, 147954), (213, 98636), (284, 73977), (426, 49318), (852, 24659)]