21701647

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 24689664

約数和(自身を除く): 2988017

約数列:

[1, 11, 37, 71, 407, 751, 781, 2627, 8261, 27787, 28897, 53321, 305657, 586531, 1972877, 21701647]

約数ペア:

[(1, 21701647), (11, 1972877), (37, 586531), (71, 305657), (407, 53321), (751, 28897), (781, 27787), (2627, 8261)]