21264195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83389}}^1$

素因数の和:83414

約数の個数: 16

約数和(自身を含む): 36024480

約数和(自身を除く): 14760285

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 83389, 250167, 416945, 1250835, 1417613, 4252839, 7088065, 21264195]

約数ペア:

[(1, 21264195), (3, 7088065), (5, 4252839), (15, 1417613), (17, 1250835), (51, 416945), (85, 250167), (255, 83389)]