21424765

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 5388035

約数列:

[1, 5, 29, 139, 145, 695, 1063, 4031, 5315, 20155, 30827, 147757, 154135, 738785, 4284953, 21424765]

約数ペア:

[(1, 21424765), (5, 4284953), (29, 738785), (139, 154135), (145, 147757), (695, 30827), (1063, 20155), (4031, 5315)]