21382243918

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89841361}}^1$

素因数の和:89841387

約数の個数: 16

約数和(自身を含む): 38811468384

約数和(自身を除く): 17429224466

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 89841361, 179682722, 628889527, 1257779054, 1527303137, 3054606274, 10691121959, 21382243918]

約数ペア:

[(1, 21382243918), (2, 10691121959), (7, 3054606274), (14, 1527303137), (17, 1257779054), (34, 628889527), (119, 179682722), (238, 89841361)]