21290579

素因数分解:

${\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 1933741

約数列:

[1, 17, 79, 83, 191, 1343, 1411, 3247, 6557, 15089, 15853, 111469, 256513, 269501, 1252387, 21290579]

約数ペア:

[(1, 21290579), (17, 1252387), (79, 269501), (83, 256513), (191, 111469), (1343, 15853), (1411, 15089), (3247, 6557)]