21294414

素因数分解:

$2^1\times 3^4\times {\mathrm{131447}}^1$

素因数の和:131461

約数の個数: 20

約数和(自身を含む): 47715624

約数和(自身を除く): 26421210

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 131447, 262894, 394341, 788682, 1183023, 2366046, 3549069, 7098138, 10647207, 21294414]

約数ペア:

[(1, 21294414), (2, 10647207), (3, 7098138), (6, 3549069), (9, 2366046), (18, 1183023), (27, 788682), (54, 394341), (81, 262894), (162, 131447)]