21864363

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4817}}^1$

素因数の和:4926

約数の個数: 16

約数和(自身を含む): 31220640

約数和(自身を除く): 9356277

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4817, 14451, 81889, 245667, 428713, 1286139, 7288121, 21864363]

約数ペア:

[(1, 21864363), (3, 7288121), (17, 1286139), (51, 428713), (89, 245667), (267, 81889), (1513, 14451), (4539, 4817)]