21854937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1693}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 31494848

約数和(自身を除く): 9639911

約数列:

[1, 3, 13, 39, 331, 993, 1693, 4303, 5079, 12909, 22009, 66027, 560383, 1681149, 7284979, 21854937]

約数ペア:

[(1, 21854937), (3, 7284979), (13, 1681149), (39, 560383), (331, 66027), (993, 22009), (1693, 12909), (4303, 5079)]