21510159

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1033}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 31367424

約数和(自身を除く): 9857265

約数列:

[1, 3, 11, 33, 631, 1033, 1893, 3099, 6941, 11363, 20823, 34089, 651823, 1955469, 7170053, 21510159]

約数ペア:

[(1, 21510159), (3, 7170053), (11, 1955469), (33, 651823), (631, 34089), (1033, 20823), (1893, 11363), (3099, 6941)]