21193169

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 23141376

約数和(自身を除く): 1948207

約数列:

[1, 17, 61, 107, 191, 1037, 1819, 3247, 6527, 11651, 20437, 110959, 198067, 347429, 1246657, 21193169]

約数ペア:

[(1, 21193169), (17, 1246657), (61, 347429), (107, 198067), (191, 110959), (1037, 20437), (1819, 11651), (3247, 6527)]