21035096

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 40404000

約数和(自身を除く): 19368904

約数列:

[1, 2, 4, 8, 73, 146, 181, 199, 292, 362, 398, 584, 724, 796, 1448, 1592, 13213, 14527, 26426, 29054, 36019, 52852, 58108, 72038, 105704, 116216, 144076, 288152, 2629387, 5258774, 10517548, 21035096]

約数ペア:

[(1, 21035096), (2, 10517548), (4, 5258774), (8, 2629387), (73, 288152), (146, 144076), (181, 116216), (199, 105704), (292, 72038), (362, 58108), (398, 52852), (584, 36019), (724, 29054), (796, 26426), (1448, 14527), (1592, 13213)]