21342074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26479}}^1$

素因数の和:26525

約数の個数: 16

約数和(自身を含む): 35589120

約数和(自身を除く): 14247046

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26479, 52958, 344227, 688454, 820849, 1641698, 10671037, 21342074]

約数ペア:

[(1, 21342074), (2, 10671037), (13, 1641698), (26, 820849), (31, 688454), (62, 344227), (403, 52958), (806, 26479)]