21344299

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 23915520

約数和(自身を除く): 2571221

約数列:

[1, 17, 23, 79, 391, 691, 1343, 1817, 11747, 15893, 30889, 54589, 270181, 928013, 1255547, 21344299]

約数ペア:

[(1, 21344299), (17, 1255547), (23, 928013), (79, 270181), (391, 54589), (691, 30889), (1343, 15893), (1817, 11747)]