21148316

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32839}}^1$

素因数の和:32873

約数の個数: 24

約数和(自身を含む): 44136960

約数和(自身を除く): 22988644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32839, 65678, 131356, 229873, 459746, 755297, 919492, 1510594, 3021188, 5287079, 10574158, 21148316]

約数ペア:

[(1, 21148316), (2, 10574158), (4, 5287079), (7, 3021188), (14, 1510594), (23, 919492), (28, 755297), (46, 459746), (92, 229873), (161, 131356), (322, 65678), (644, 32839)]