21516254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14717}}^1$

素因数の和:14779

約数の個数: 16

約数和(自身を含む): 34969968

約数和(自身を除く): 13453714

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14717, 29434, 250189, 500378, 632831, 1265662, 10758127, 21516254]

約数ペア:

[(1, 21516254), (2, 10758127), (17, 1265662), (34, 632831), (43, 500378), (86, 250189), (731, 29434), (1462, 14717)]