21812622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279649}}^1$

素因数の和:279667

約数の個数: 16

約数和(自身を含む): 46981200

約数和(自身を除く): 25168578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279649, 559298, 838947, 1677894, 3635437, 7270874, 10906311, 21812622]

約数ペア:

[(1, 21812622), (2, 10906311), (3, 7270874), (6, 3635437), (13, 1677894), (26, 838947), (39, 559298), (78, 279649)]