21739112

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{4759}}^1$

素因数の和:5336

約数の個数: 16

約数和(自身を含む): 40840800

約数和(自身を除く): 19101688

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4568, 4759, 9518, 19036, 38072, 2717389, 5434778, 10869556, 21739112]

約数ペア:

[(1, 21739112), (2, 10869556), (4, 5434778), (8, 2717389), (571, 38072), (1142, 19036), (2284, 9518), (4568, 4759)]