21837957

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2437}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 30426240

約数和(自身を除く): 8588283

約数列:

[1, 3, 29, 87, 103, 309, 2437, 2987, 7311, 8961, 70673, 212019, 251011, 753033, 7279319, 21837957]

約数ペア:

[(1, 21837957), (3, 7279319), (29, 753033), (87, 251011), (103, 212019), (309, 70673), (2437, 8961), (2987, 7311)]