21502661

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 23620800

約数和(自身を除く): 2118139

約数列:

[1, 19, 37, 73, 419, 703, 1387, 2701, 7961, 15503, 30587, 51319, 294557, 581153, 1131719, 21502661]

約数ペア:

[(1, 21502661), (19, 1131719), (37, 581153), (73, 294557), (419, 51319), (703, 30587), (1387, 15503), (2701, 7961)]