21072056

素因数分解:

$2^3\times {\mathrm{463}}^1\times {\mathrm{5689}}^1$

素因数の和:6158

約数の個数: 16

約数和(自身を含む): 39602400

約数和(自身を除く): 18530344

約数列:

[1, 2, 4, 8, 463, 926, 1852, 3704, 5689, 11378, 22756, 45512, 2634007, 5268014, 10536028, 21072056]

約数ペア:

[(1, 21072056), (2, 10536028), (4, 5268014), (8, 2634007), (463, 45512), (926, 22756), (1852, 11378), (3704, 5689)]