21813329085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85542467}}^1$

素因数の和:85542492

約数の個数: 16

約数和(自身を含む): 36954346176

約数和(自身を除く): 15141017091

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 85542467, 256627401, 427712335, 1283137005, 1454221939, 4362665817, 7271109695, 21813329085]

約数ペア:

[(1, 21813329085), (3, 7271109695), (5, 4362665817), (15, 1454221939), (17, 1283137005), (51, 427712335), (85, 256627401), (255, 85542467)]