21114736

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 43059744

約数和(自身を除く): 21945008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 181, 184, 317, 362, 368, 634, 724, 1268, 1448, 2536, 2896, 4163, 5072, 7291, 8326, 14582, 16652, 29164, 33304, 57377, 58328, 66608, 114754, 116656, 229508, 459016, 918032, 1319671, 2639342, 5278684, 10557368, 21114736]

約数ペア:

[(1, 21114736), (2, 10557368), (4, 5278684), (8, 2639342), (16, 1319671), (23, 918032), (46, 459016), (92, 229508), (181, 116656), (184, 114754), (317, 66608), (362, 58328), (368, 57377), (634, 33304), (724, 29164), (1268, 16652), (1448, 14582), (2536, 8326), (2896, 7291), (4163, 5072)]