21291245983

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{1637}}^1\times {\mathrm{11399}}^1$

素因数の和:13206

約数の個数: 16

約数和(自身を含む): 24499238400

約数和(自身を除く): 3207992417

約数列:

[1, 7, 163, 1141, 1637, 11399, 11459, 79793, 266831, 1858037, 1867817, 13006259, 18660163, 130621141, 3041606569, 21291245983]

約数ペア:

[(1, 21291245983), (7, 3041606569), (163, 130621141), (1141, 18660163), (1637, 13006259), (11399, 1867817), (11459, 1858037), (79793, 266831)]