21664808

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22381}}^1$

素因数の和:22409

約数の個数: 24

約数和(自身を含む): 44652090

約数和(自身を除く): 22987282

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22381, 44762, 89524, 179048, 246191, 492382, 984764, 1969528, 2708101, 5416202, 10832404, 21664808]

約数ペア:

[(1, 21664808), (2, 10832404), (4, 5416202), (8, 2708101), (11, 1969528), (22, 984764), (44, 492382), (88, 246191), (121, 179048), (242, 89524), (484, 44762), (968, 22381)]