21334833

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{20261}}^1$

素因数の和:20286

約数の個数: 20

約数和(自身を含む): 34323828

約数和(自身を除く): 12988995

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 20261, 60783, 182349, 263393, 547047, 790179, 1641141, 2370537, 7111611, 21334833]

約数ペア:

[(1, 21334833), (3, 7111611), (9, 2370537), (13, 1641141), (27, 790179), (39, 547047), (81, 263393), (117, 182349), (351, 60783), (1053, 20261)]