21351180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355853}}^1$

素因数の和:355865

約数の個数: 24

約数和(自身を含む): 59783472

約数和(自身を除く): 38432292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355853, 711706, 1067559, 1423412, 1779265, 2135118, 3558530, 4270236, 5337795, 7117060, 10675590, 21351180]

約数ペア:

[(1, 21351180), (2, 10675590), (3, 7117060), (4, 5337795), (5, 4270236), (6, 3558530), (10, 2135118), (12, 1779265), (15, 1423412), (20, 1067559), (30, 711706), (60, 355853)]