21031610847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12541211}}^1$

素因数の和:12541270

約数の個数: 16

約数和(自身を含む): 30901546368

約数和(自身を除く): 9869935521

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12541211, 37623633, 163035743, 489107229, 539272073, 1617816219, 7010536949, 21031610847]

約数ペア:

[(1, 21031610847), (3, 7010536949), (13, 1617816219), (39, 539272073), (43, 489107229), (129, 163035743), (559, 37623633), (1677, 12541211)]