2153579757

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5397443}}^1$

素因数の和:5397472

約数の個数: 16

約数和(自身を含む): 3454364160

約数和(自身を除く): 1300784403

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5397443, 16192329, 37782101, 102551417, 113346303, 307654251, 717859919, 2153579757]

約数ペア:

[(1, 2153579757), (3, 717859919), (7, 307654251), (19, 113346303), (21, 102551417), (57, 37782101), (133, 16192329), (399, 5397443)]