21651256

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22367}}^1$

素因数の和:22395

約数の個数: 24

約数和(自身を含む): 44624160

約数和(自身を除く): 22972904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22367, 44734, 89468, 178936, 246037, 492074, 984148, 1968296, 2706407, 5412814, 10825628, 21651256]

約数ペア:

[(1, 21651256), (2, 10825628), (4, 5412814), (8, 2706407), (11, 1968296), (22, 984148), (44, 492074), (88, 246037), (121, 178936), (242, 89468), (484, 44734), (968, 22367)]