21058646

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16901}}^1$

素因数の和:16999

約数の個数: 16

約数和(自身を含む): 36508320

約数和(自身を除く): 15449674

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16901, 33802, 118307, 236614, 1504189, 3008378, 10529323, 21058646]

約数ペア:

[(1, 21058646), (2, 10529323), (7, 3008378), (14, 1504189), (89, 236614), (178, 118307), (623, 33802), (1246, 16901)]