21949543

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1447}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 27523584

約数和(自身を除く): 5574041

約数列:

[1, 7, 11, 77, 197, 1379, 1447, 2167, 10129, 15169, 15917, 111419, 285059, 1995413, 3135649, 21949543]

約数ペア:

[(1, 21949543), (7, 3135649), (11, 1995413), (77, 285059), (197, 111419), (1379, 15917), (1447, 15169), (2167, 10129)]