21711016

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{30493}}^1$

素因数の和:30588

約数の個数: 16

約数和(自身を含む): 41166900

約数和(自身を除く): 19455884

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 30493, 60986, 121972, 243944, 2713877, 5427754, 10855508, 21711016]

約数ペア:

[(1, 21711016), (2, 10855508), (4, 5427754), (8, 2713877), (89, 243944), (178, 121972), (356, 60986), (712, 30493)]