21191163

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59359}}^1$

素因数の和:59386

約数の個数: 16

約数和(自身を含む): 34191360

約数和(自身を除く): 13000197

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59359, 178077, 415513, 1009103, 1246539, 3027309, 7063721, 21191163]

約数ペア:

[(1, 21191163), (3, 7063721), (7, 3027309), (17, 1246539), (21, 1009103), (51, 415513), (119, 178077), (357, 59359)]