21351242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23671}}^1$

素因数の和:23725

約数の個数: 16

約数和(自身を含む): 35792064

約数和(自身を除く): 14440822

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23671, 47342, 260381, 520762, 970511, 1941022, 10675621, 21351242]

約数ペア:

[(1, 21351242), (2, 10675621), (11, 1941022), (22, 970511), (41, 520762), (82, 260381), (451, 47342), (902, 23671)]