21662344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1237}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 44568000

約数和(自身を除く): 22905656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1237, 1592, 2189, 2474, 4378, 4948, 8756, 9896, 13607, 17512, 27214, 54428, 108856, 246163, 492326, 984652, 1969304, 2707793, 5415586, 10831172, 21662344]

約数ペア:

[(1, 21662344), (2, 10831172), (4, 5415586), (8, 2707793), (11, 1969304), (22, 984652), (44, 492326), (88, 246163), (199, 108856), (398, 54428), (796, 27214), (1237, 17512), (1592, 13607), (2189, 9896), (2474, 8756), (4378, 4948)]