21674303

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7919}}^1$

素因数の和:7966

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5697217

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7919, 55433, 134623, 182137, 942361, 1274959, 3096329, 21674303]

約数ペア:

[(1, 21674303), (7, 3096329), (17, 1274959), (23, 942361), (119, 182137), (161, 134623), (391, 55433), (2737, 7919)]