21716115

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30803}}^1$

素因数の和:30858

約数の個数: 16

約数和(自身を含む): 35486208

約数和(自身を除く): 13770093

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30803, 92409, 154015, 462045, 1447741, 4343223, 7238705, 21716115]

約数ペア:

[(1, 21716115), (3, 7238705), (5, 4343223), (15, 1447741), (47, 462045), (141, 154015), (235, 92409), (705, 30803)]