21755427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4793}}^1$

素因数の和:4902

約数の個数: 16

約数和(自身を含む): 31065120

約数和(自身を除く): 9309693

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4793, 14379, 81481, 244443, 426577, 1279731, 7251809, 21755427]

約数ペア:

[(1, 21755427), (3, 7251809), (17, 1279731), (51, 426577), (89, 244443), (267, 81481), (1513, 14379), (4539, 4793)]