21497424277

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1816121}}^1$

素因数の和:1816236

約数の個数: 16

約数和(自身を含む): 26152156800

約数和(自身を除く): 4654732523

約数列:

[1, 7, 19, 89, 133, 623, 1691, 11837, 1816121, 12712847, 34506299, 161634769, 241544093, 1131443383, 3071060611, 21497424277]

約数ペア:

[(1, 21497424277), (7, 3071060611), (19, 1131443383), (89, 241544093), (133, 161634769), (623, 34506299), (1691, 12712847), (11837, 1816121)]