21138576

素因数分解:

$2^4\times 3^1\times {\mathrm{199}}^1\times {\mathrm{2213}}^1$

素因数の和:2423

約数の個数: 40

約数和(自身を含む): 54907200

約数和(自身を除く): 33768624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 199, 398, 597, 796, 1194, 1592, 2213, 2388, 3184, 4426, 4776, 6639, 8852, 9552, 13278, 17704, 26556, 35408, 53112, 106224, 440387, 880774, 1321161, 1761548, 2642322, 3523096, 5284644, 7046192, 10569288, 21138576]

約数ペア:

[(1, 21138576), (2, 10569288), (3, 7046192), (4, 5284644), (6, 3523096), (8, 2642322), (12, 1761548), (16, 1321161), (24, 880774), (48, 440387), (199, 106224), (398, 53112), (597, 35408), (796, 26556), (1194, 17704), (1592, 13278), (2213, 9552), (2388, 8852), (3184, 6639), (4426, 4776)]