21262774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14299466

約数列:

[1, 2, 13, 26, 59, 83, 118, 166, 167, 334, 767, 1079, 1534, 2158, 2171, 4342, 4897, 9794, 9853, 13861, 19706, 27722, 63661, 127322, 128089, 180193, 256178, 360386, 817799, 1635598, 10631387, 21262774]

約数ペア:

[(1, 21262774), (2, 10631387), (13, 1635598), (26, 817799), (59, 360386), (83, 256178), (118, 180193), (166, 128089), (167, 127322), (334, 63661), (767, 27722), (1079, 19706), (1534, 13861), (2158, 9853), (2171, 9794), (4342, 4897)]