21539085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84467}}^1$

素因数の和:84492

約数の個数: 16

約数和(自身を含む): 36490176

約数和(自身を除く): 14951091

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 84467, 253401, 422335, 1267005, 1435939, 4307817, 7179695, 21539085]

約数ペア:

[(1, 21539085), (3, 7179695), (5, 4307817), (15, 1435939), (17, 1267005), (51, 422335), (85, 253401), (255, 84467)]