21262665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83383}}^1$

素因数の和:83408

約数の個数: 16

約数和(自身を含む): 36021888

約数和(自身を除く): 14759223

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 83383, 250149, 416915, 1250745, 1417511, 4252533, 7087555, 21262665]

約数ペア:

[(1, 21262665), (3, 7087555), (5, 4252533), (15, 1417511), (17, 1250745), (51, 416915), (85, 250149), (255, 83383)]