21083571

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11317}}^1$

素因数の和:11352

約数の個数: 20

約数和(自身を含む): 32867472

約数和(自身を除く): 11783901

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11317, 33951, 101853, 260291, 305559, 780873, 916677, 2342619, 7027857, 21083571]

約数ペア:

[(1, 21083571), (3, 7027857), (9, 2342619), (23, 916677), (27, 780873), (69, 305559), (81, 260291), (207, 101853), (621, 33951), (1863, 11317)]