21063119

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16091}}^1$

素因数の和:16126

約数の個数: 16

約数和(自身を含む): 27806976

約数和(自身を除く): 6743857

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16091, 112637, 177001, 273547, 1239007, 1914829, 3009017, 21063119]

約数ペア:

[(1, 21063119), (7, 3009017), (11, 1914829), (17, 1239007), (77, 273547), (119, 177001), (187, 112637), (1309, 16091)]