21000346759

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{179461}}^1$

素因数の和:179770

約数の個数: 16

約数和(自身を含む): 24435545920

約数和(自身を除く): 3435199161

約数列:

[1, 7, 73, 229, 511, 1603, 16717, 117019, 179461, 1256227, 13100653, 41096569, 91704571, 287675983, 3000049537, 21000346759]

約数ペア:

[(1, 21000346759), (7, 3000049537), (73, 287675983), (229, 91704571), (511, 41096569), (1603, 13100653), (16717, 1256227), (117019, 179461)]