21804644

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2663}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 40279680

約数和(自身を除く): 18475036

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2663, 4094, 5326, 8188, 10652, 61249, 122498, 237007, 244996, 474014, 948028, 5451161, 10902322, 21804644]

約数ペア:

[(1, 21804644), (2, 10902322), (4, 5451161), (23, 948028), (46, 474014), (89, 244996), (92, 237007), (178, 122498), (356, 61249), (2047, 10652), (2663, 8188), (4094, 5326)]